65491760

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^2\times {\mathrm{487}}^1$

素因数の和:582

約数の個数: 60

約数和(自身を含む): 156393264

約数和(自身を除く): 90901504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 487, 656, 820, 974, 1640, 1681, 1948, 2435, 3280, 3362, 3896, 4870, 6724, 7792, 8405, 9740, 13448, 16810, 19480, 19967, 26896, 33620, 38960, 39934, 67240, 79868, 99835, 134480, 159736, 199670, 319472, 399340, 798680, 818647, 1597360, 1637294, 3274588, 4093235, 6549176, 8186470, 13098352, 16372940, 32745880, 65491760]

約数ペア:

[(1, 65491760), (2, 32745880), (4, 16372940), (5, 13098352), (8, 8186470), (10, 6549176), (16, 4093235), (20, 3274588), (40, 1637294), (41, 1597360), (80, 818647), (82, 798680), (164, 399340), (205, 319472), (328, 199670), (410, 159736), (487, 134480), (656, 99835), (820, 79868), (974, 67240), (1640, 39934), (1681, 38960), (1948, 33620), (2435, 26896), (3280, 19967), (3362, 19480), (3896, 16810), (4870, 13448), (6724, 9740), (7792, 8405)]