85571560

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{8951}}^1$

素因数の和:9201

約数の個数: 32

約数和(自身を含む): 193363200

約数和(自身を除く): 107791640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1912, 2390, 4780, 8951, 9560, 17902, 35804, 44755, 71608, 89510, 179020, 358040, 2139289, 4278578, 8557156, 10696445, 17114312, 21392890, 42785780, 85571560]

約数ペア:

[(1, 85571560), (2, 42785780), (4, 21392890), (5, 17114312), (8, 10696445), (10, 8557156), (20, 4278578), (40, 2139289), (239, 358040), (478, 179020), (956, 89510), (1195, 71608), (1912, 44755), (2390, 35804), (4780, 17902), (8951, 9560)]