64876250

素因数分解:

$2^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:153

約数の個数: 80

約数和(自身を含む): 133607232

約数和(自身を除く): 68730982

約数列:

[1, 2, 5, 10, 17, 25, 34, 43, 50, 71, 85, 86, 125, 142, 170, 215, 250, 355, 425, 430, 625, 710, 731, 850, 1075, 1207, 1250, 1462, 1775, 2125, 2150, 2414, 3053, 3550, 3655, 4250, 5375, 6035, 6106, 7310, 8875, 10625, 10750, 12070, 15265, 17750, 18275, 21250, 26875, 30175, 30530, 36550, 44375, 51901, 53750, 60350, 76325, 88750, 91375, 103802, 150875, 152650, 182750, 259505, 301750, 381625, 456875, 519010, 754375, 763250, 913750, 1297525, 1508750, 1908125, 2595050, 3816250, 6487625, 12975250, 32438125, 64876250]

約数ペア:

[(1, 64876250), (2, 32438125), (5, 12975250), (10, 6487625), (17, 3816250), (25, 2595050), (34, 1908125), (43, 1508750), (50, 1297525), (71, 913750), (85, 763250), (86, 754375), (125, 519010), (142, 456875), (170, 381625), (215, 301750), (250, 259505), (355, 182750), (425, 152650), (430, 150875), (625, 103802), (710, 91375), (731, 88750), (850, 76325), (1075, 60350), (1207, 53750), (1250, 51901), (1462, 44375), (1775, 36550), (2125, 30530), (2150, 30175), (2414, 26875), (3053, 21250), (3550, 18275), (3655, 17750), (4250, 15265), (5375, 12070), (6035, 10750), (6106, 10625), (7310, 8875)]