78484640

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{389}}^1$

素因数の和:514

約数の個数: 96

約数和(自身を含む): 202260240

約数和(自身を除く): 123775600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 97, 104, 130, 160, 194, 208, 260, 388, 389, 416, 485, 520, 776, 778, 970, 1040, 1261, 1552, 1556, 1940, 1945, 2080, 2522, 3104, 3112, 3880, 3890, 5044, 5057, 6224, 6305, 7760, 7780, 10088, 10114, 12448, 12610, 15520, 15560, 20176, 20228, 25220, 25285, 31120, 37733, 40352, 40456, 50440, 50570, 62240, 75466, 80912, 100880, 101140, 150932, 161824, 188665, 201760, 202280, 301864, 377330, 404560, 490529, 603728, 754660, 809120, 981058, 1207456, 1509320, 1962116, 2452645, 3018640, 3924232, 4905290, 6037280, 7848464, 9810580, 15696928, 19621160, 39242320, 78484640]

約数ペア:

[(1, 78484640), (2, 39242320), (4, 19621160), (5, 15696928), (8, 9810580), (10, 7848464), (13, 6037280), (16, 4905290), (20, 3924232), (26, 3018640), (32, 2452645), (40, 1962116), (52, 1509320), (65, 1207456), (80, 981058), (97, 809120), (104, 754660), (130, 603728), (160, 490529), (194, 404560), (208, 377330), (260, 301864), (388, 202280), (389, 201760), (416, 188665), (485, 161824), (520, 150932), (776, 101140), (778, 100880), (970, 80912), (1040, 75466), (1261, 62240), (1552, 50570), (1556, 50440), (1940, 40456), (1945, 40352), (2080, 37733), (2522, 31120), (3104, 25285), (3112, 25220), (3880, 20228), (3890, 20176), (5044, 15560), (5057, 15520), (6224, 12610), (6305, 12448), (7760, 10114), (7780, 10088)]