91808440

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53377}}^1$

素因数の和:53431

約数の個数: 32

約数和(自身を含む): 211376880

約数和(自身を除く): 119568440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 53377, 106754, 213508, 266885, 427016, 533770, 1067540, 2135080, 2295211, 4590422, 9180844, 11476055, 18361688, 22952110, 45904220, 91808440]

約数ペア:

[(1, 91808440), (2, 45904220), (4, 22952110), (5, 18361688), (8, 11476055), (10, 9180844), (20, 4590422), (40, 2295211), (43, 2135080), (86, 1067540), (172, 533770), (215, 427016), (344, 266885), (430, 213508), (860, 106754), (1720, 53377)]