20525558800

素因数分解:

$2^4\times 5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{911}}^1$

素因数の和:1062

約数の個数: 240

約数和(自身を含む): 53847982080

約数和(自身を除く): 33322423280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 31, 40, 46, 50, 62, 79, 80, 92, 100, 115, 124, 155, 158, 184, 200, 230, 248, 310, 316, 368, 395, 400, 460, 496, 575, 620, 632, 713, 775, 790, 911, 920, 1150, 1240, 1264, 1426, 1550, 1580, 1817, 1822, 1840, 1975, 2300, 2449, 2480, 2852, 3100, 3160, 3565, 3634, 3644, 3950, 4555, 4600, 4898, 5704, 6200, 6320, 7130, 7268, 7288, 7900, 9085, 9110, 9200, 9796, 11408, 12245, 12400, 14260, 14536, 14576, 15800, 17825, 18170, 18220, 19592, 20953, 22775, 24490, 28241, 28520, 29072, 31600, 35650, 36340, 36440, 39184, 41906, 45425, 45550, 48980, 56327, 56482, 57040, 61225, 71300, 71969, 72680, 72880, 83812, 90850, 91100, 97960, 104765, 112654, 112964, 122450, 141205, 142600, 143938, 145360, 167624, 181700, 182200, 195920, 209530, 225308, 225928, 244900, 281635, 282410, 285200, 287876, 335248, 359845, 363400, 364400, 419060, 450616, 451856, 489800, 523825, 563270, 564820, 575752, 649543, 706025, 719690, 726800, 838120, 901232, 979600, 1047650, 1126540, 1129640, 1151504, 1299086, 1408175, 1412050, 1439380, 1655287, 1676240, 1799225, 2095300, 2231039, 2253080, 2259280, 2598172, 2816350, 2824100, 2878760, 3247715, 3310574, 3598450, 4190600, 4462078, 4506160, 5196344, 5632700, 5648200, 5757520, 6495430, 6621148, 7196900, 8276435, 8381200, 8924156, 10392688, 11155195, 11265400, 11296400, 12990860, 13242296, 14393800, 16238575, 16552870, 17848312, 22310390, 22530800, 25981720, 26484592, 28787600, 32477150, 33105740, 35696624, 41382175, 44620780, 51313897, 51963440, 55775975, 64954300, 66211480, 82764350, 89241560, 102627794, 111551950, 129908600, 132422960, 165528700, 178483120, 205255588, 223103900, 256569485, 259817200, 331057400, 410511176, 446207800, 513138970, 662114800, 821022352, 892415600, 1026277940, 1282847425, 2052555880, 2565694850, 4105111760, 5131389700, 10262779400, 20525558800]

約数ペア:

[(1, 20525558800), (2, 10262779400), (4, 5131389700), (5, 4105111760), (8, 2565694850), (10, 2052555880), (16, 1282847425), (20, 1026277940), (23, 892415600), (25, 821022352), (31, 662114800), (40, 513138970), (46, 446207800), (50, 410511176), (62, 331057400), (79, 259817200), (80, 256569485), (92, 223103900), (100, 205255588), (115, 178483120), (124, 165528700), (155, 132422960), (158, 129908600), (184, 111551950), (200, 102627794), (230, 89241560), (248, 82764350), (310, 66211480), (316, 64954300), (368, 55775975), (395, 51963440), (400, 51313897), (460, 44620780), (496, 41382175), (575, 35696624), (620, 33105740), (632, 32477150), (713, 28787600), (775, 26484592), (790, 25981720), (911, 22530800), (920, 22310390), (1150, 17848312), (1240, 16552870), (1264, 16238575), (1426, 14393800), (1550, 13242296), (1580, 12990860), (1817, 11296400), (1822, 11265400), (1840, 11155195), (1975, 10392688), (2300, 8924156), (2449, 8381200), (2480, 8276435), (2852, 7196900), (3100, 6621148), (3160, 6495430), (3565, 5757520), (3634, 5648200), (3644, 5632700), (3950, 5196344), (4555, 4506160), (4600, 4462078), (4898, 4190600), (5704, 3598450), (6200, 3310574), (6320, 3247715), (7130, 2878760), (7268, 2824100), (7288, 2816350), (7900, 2598172), (9085, 2259280), (9110, 2253080), (9200, 2231039), (9796, 2095300), (11408, 1799225), (12245, 1676240), (12400, 1655287), (14260, 1439380), (14536, 1412050), (14576, 1408175), (15800, 1299086), (17825, 1151504), (18170, 1129640), (18220, 1126540), (19592, 1047650), (20953, 979600), (22775, 901232), (24490, 838120), (28241, 726800), (28520, 719690), (29072, 706025), (31600, 649543), (35650, 575752), (36340, 564820), (36440, 563270), (39184, 523825), (41906, 489800), (45425, 451856), (45550, 450616), (48980, 419060), (56327, 364400), (56482, 363400), (57040, 359845), (61225, 335248), (71300, 287876), (71969, 285200), (72680, 282410), (72880, 281635), (83812, 244900), (90850, 225928), (91100, 225308), (97960, 209530), (104765, 195920), (112654, 182200), (112964, 181700), (122450, 167624), (141205, 145360), (142600, 143938)]