153977960

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{93889}}^1$

素因数の和:93941

約数の個数: 32

約数和(自身を含む): 354904200

約数和(自身を除く): 200926240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 93889, 187778, 375556, 469445, 751112, 938890, 1877780, 3755560, 3849449, 7698898, 15397796, 19247245, 30795592, 38494490, 76988980, 153977960]

約数ペア:

[(1, 153977960), (2, 76988980), (4, 38494490), (5, 30795592), (8, 19247245), (10, 15397796), (20, 7698898), (40, 3849449), (41, 3755560), (82, 1877780), (164, 938890), (205, 751112), (328, 469445), (410, 375556), (820, 187778), (1640, 93889)]