2563805440

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{997}}^1$

素因数の和:1073

約数の個数: 216

約数和(自身を含む): 7325323992

約数和(自身を除く): 4761518552

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 41, 49, 56, 64, 70, 80, 82, 98, 112, 128, 140, 160, 164, 196, 205, 224, 245, 256, 280, 287, 320, 328, 392, 410, 448, 490, 560, 574, 640, 656, 784, 820, 896, 980, 997, 1120, 1148, 1280, 1312, 1435, 1568, 1640, 1792, 1960, 1994, 2009, 2240, 2296, 2624, 2870, 3136, 3280, 3920, 3988, 4018, 4480, 4592, 4985, 5248, 5740, 6272, 6560, 6979, 7840, 7976, 8036, 8960, 9184, 9970, 10045, 10496, 11480, 12544, 13120, 13958, 15680, 15952, 16072, 18368, 19940, 20090, 22960, 26240, 27916, 31360, 31904, 32144, 34895, 36736, 39880, 40180, 40877, 45920, 48853, 52480, 55832, 62720, 63808, 64288, 69790, 73472, 79760, 80360, 81754, 91840, 97706, 111664, 127616, 128576, 139580, 159520, 160720, 163508, 183680, 195412, 204385, 223328, 244265, 255232, 257152, 279160, 286139, 319040, 321440, 327016, 367360, 390824, 408770, 446656, 488530, 514304, 558320, 572278, 638080, 642880, 654032, 781648, 817540, 893312, 977060, 1116640, 1144556, 1276160, 1285760, 1308064, 1430695, 1563296, 1635080, 1786624, 1954120, 2002973, 2233280, 2289112, 2571520, 2616128, 2861390, 3126592, 3270160, 3908240, 4005946, 4466560, 4578224, 5232256, 5722780, 6253184, 6540320, 7816480, 8011892, 8933120, 9156448, 10014865, 10464512, 11445560, 12506368, 13080640, 15632960, 16023784, 18312896, 20029730, 22891120, 26161280, 31265920, 32047568, 36625792, 40059460, 45782240, 52322560, 62531840, 64095136, 73251584, 80118920, 91564480, 128190272, 160237840, 183128960, 256380544, 320475680, 366257920, 512761088, 640951360, 1281902720, 2563805440]

約数ペア:

[(1, 2563805440), (2, 1281902720), (4, 640951360), (5, 512761088), (7, 366257920), (8, 320475680), (10, 256380544), (14, 183128960), (16, 160237840), (20, 128190272), (28, 91564480), (32, 80118920), (35, 73251584), (40, 64095136), (41, 62531840), (49, 52322560), (56, 45782240), (64, 40059460), (70, 36625792), (80, 32047568), (82, 31265920), (98, 26161280), (112, 22891120), (128, 20029730), (140, 18312896), (160, 16023784), (164, 15632960), (196, 13080640), (205, 12506368), (224, 11445560), (245, 10464512), (256, 10014865), (280, 9156448), (287, 8933120), (320, 8011892), (328, 7816480), (392, 6540320), (410, 6253184), (448, 5722780), (490, 5232256), (560, 4578224), (574, 4466560), (640, 4005946), (656, 3908240), (784, 3270160), (820, 3126592), (896, 2861390), (980, 2616128), (997, 2571520), (1120, 2289112), (1148, 2233280), (1280, 2002973), (1312, 1954120), (1435, 1786624), (1568, 1635080), (1640, 1563296), (1792, 1430695), (1960, 1308064), (1994, 1285760), (2009, 1276160), (2240, 1144556), (2296, 1116640), (2624, 977060), (2870, 893312), (3136, 817540), (3280, 781648), (3920, 654032), (3988, 642880), (4018, 638080), (4480, 572278), (4592, 558320), (4985, 514304), (5248, 488530), (5740, 446656), (6272, 408770), (6560, 390824), (6979, 367360), (7840, 327016), (7976, 321440), (8036, 319040), (8960, 286139), (9184, 279160), (9970, 257152), (10045, 255232), (10496, 244265), (11480, 223328), (12544, 204385), (13120, 195412), (13958, 183680), (15680, 163508), (15952, 160720), (16072, 159520), (18368, 139580), (19940, 128576), (20090, 127616), (22960, 111664), (26240, 97706), (27916, 91840), (31360, 81754), (31904, 80360), (32144, 79760), (34895, 73472), (36736, 69790), (39880, 64288), (40180, 63808), (40877, 62720), (45920, 55832), (48853, 52480)]