79842920

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{8951}}^1$

素因数の和:9185

約数の個数: 32

約数和(自身を含む): 180472320

約数和(自身を除く): 100629400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 2230, 4460, 8920, 8951, 17902, 35804, 44755, 71608, 89510, 179020, 358040, 1996073, 3992146, 7984292, 9980365, 15968584, 19960730, 39921460, 79842920]

約数ペア:

[(1, 79842920), (2, 39921460), (4, 19960730), (5, 15968584), (8, 9980365), (10, 7984292), (20, 3992146), (40, 1996073), (223, 358040), (446, 179020), (892, 89510), (1115, 71608), (1784, 44755), (2230, 35804), (4460, 17902), (8920, 8951)]