49949960

素因数分解:

$2^3\times 5^1\times {\mathrm{631}}^1\times {\mathrm{1979}}^1$

素因数の和:2621

約数の個数: 32

約数和(自身を含む): 112622400

約数和(自身を除く): 62672440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 631, 1262, 1979, 2524, 3155, 3958, 5048, 6310, 7916, 9895, 12620, 15832, 19790, 25240, 39580, 79160, 1248749, 2497498, 4994996, 6243745, 9989992, 12487490, 24974980, 49949960]

約数ペア:

[(1, 49949960), (2, 24974980), (4, 12487490), (5, 9989992), (8, 6243745), (10, 4994996), (20, 2497498), (40, 1248749), (631, 79160), (1262, 39580), (1979, 25240), (2524, 19790), (3155, 15832), (3958, 12620), (5048, 9895), (6310, 7916)]