64913380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{14957}}^1$

素因数の和:15004

約数の個数: 48

約数和(自身を含む): 160828416

約数和(自身を除く): 95915036

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 14957, 29914, 59828, 74785, 104699, 149570, 209398, 299140, 418796, 463667, 523495, 927334, 1046990, 1854668, 2093980, 2318335, 3245669, 4636670, 6491338, 9273340, 12982676, 16228345, 32456690, 64913380]

約数ペア:

[(1, 64913380), (2, 32456690), (4, 16228345), (5, 12982676), (7, 9273340), (10, 6491338), (14, 4636670), (20, 3245669), (28, 2318335), (31, 2093980), (35, 1854668), (62, 1046990), (70, 927334), (124, 523495), (140, 463667), (155, 418796), (217, 299140), (310, 209398), (434, 149570), (620, 104699), (868, 74785), (1085, 59828), (2170, 29914), (4340, 14957)]