20164541800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{811}}^1$

素因数の和:1044

約数の個数: 192

約数和(自身を含む): 51634820160

約数和(自身を除く): 31470278360

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 73, 100, 104, 130, 131, 146, 200, 260, 262, 292, 325, 365, 520, 524, 584, 650, 655, 730, 811, 949, 1048, 1300, 1310, 1460, 1622, 1703, 1825, 1898, 2600, 2620, 2920, 3244, 3275, 3406, 3650, 3796, 4055, 4745, 5240, 6488, 6550, 6812, 7300, 7592, 8110, 8515, 9490, 9563, 10543, 13100, 13624, 14600, 16220, 17030, 18980, 19126, 20275, 21086, 23725, 26200, 32440, 34060, 37960, 38252, 40550, 42172, 42575, 47450, 47815, 52715, 59203, 68120, 76504, 81100, 84344, 85150, 94900, 95630, 105430, 106241, 118406, 124319, 162200, 170300, 189800, 191260, 210860, 212482, 236812, 239075, 248638, 263575, 296015, 340600, 382520, 421720, 424964, 473624, 478150, 497276, 527150, 531205, 592030, 621595, 769639, 849928, 956300, 994552, 1054300, 1062410, 1184060, 1243190, 1381133, 1480075, 1539278, 1912600, 2108600, 2124820, 2368120, 2486380, 2656025, 2762266, 2960150, 3078556, 3107975, 3848195, 4249640, 4972760, 5312050, 5524532, 5920300, 6157112, 6215950, 6905665, 7696390, 7755593, 10624100, 11049064, 11840600, 12431900, 13811330, 15392780, 15511186, 19240975, 21248200, 24863800, 27622660, 30785560, 31022372, 34528325, 38481950, 38777965, 55245320, 62044744, 69056650, 76963900, 77555930, 100822709, 138113300, 153927800, 155111860, 193889825, 201645418, 276226600, 310223720, 387779650, 403290836, 504113545, 775559300, 806581672, 1008227090, 1551118600, 2016454180, 2520567725, 4032908360, 5041135450, 10082270900, 20164541800]

約数ペア:

[(1, 20164541800), (2, 10082270900), (4, 5041135450), (5, 4032908360), (8, 2520567725), (10, 2016454180), (13, 1551118600), (20, 1008227090), (25, 806581672), (26, 775559300), (40, 504113545), (50, 403290836), (52, 387779650), (65, 310223720), (73, 276226600), (100, 201645418), (104, 193889825), (130, 155111860), (131, 153927800), (146, 138113300), (200, 100822709), (260, 77555930), (262, 76963900), (292, 69056650), (325, 62044744), (365, 55245320), (520, 38777965), (524, 38481950), (584, 34528325), (650, 31022372), (655, 30785560), (730, 27622660), (811, 24863800), (949, 21248200), (1048, 19240975), (1300, 15511186), (1310, 15392780), (1460, 13811330), (1622, 12431900), (1703, 11840600), (1825, 11049064), (1898, 10624100), (2600, 7755593), (2620, 7696390), (2920, 6905665), (3244, 6215950), (3275, 6157112), (3406, 5920300), (3650, 5524532), (3796, 5312050), (4055, 4972760), (4745, 4249640), (5240, 3848195), (6488, 3107975), (6550, 3078556), (6812, 2960150), (7300, 2762266), (7592, 2656025), (8110, 2486380), (8515, 2368120), (9490, 2124820), (9563, 2108600), (10543, 1912600), (13100, 1539278), (13624, 1480075), (14600, 1381133), (16220, 1243190), (17030, 1184060), (18980, 1062410), (19126, 1054300), (20275, 994552), (21086, 956300), (23725, 849928), (26200, 769639), (32440, 621595), (34060, 592030), (37960, 531205), (38252, 527150), (40550, 497276), (42172, 478150), (42575, 473624), (47450, 424964), (47815, 421720), (52715, 382520), (59203, 340600), (68120, 296015), (76504, 263575), (81100, 248638), (84344, 239075), (85150, 236812), (94900, 212482), (95630, 210860), (105430, 191260), (106241, 189800), (118406, 170300), (124319, 162200)]