90546920

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{10151}}^1$

素因数の和:10385

約数の個数: 32

約数和(自身を含む): 204664320

約数和(自身を除く): 114117400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 2230, 4460, 8920, 10151, 20302, 40604, 50755, 81208, 101510, 203020, 406040, 2263673, 4527346, 9054692, 11318365, 18109384, 22636730, 45273460, 90546920]

約数ペア:

[(1, 90546920), (2, 45273460), (4, 22636730), (5, 18109384), (8, 11318365), (10, 9054692), (20, 4527346), (40, 2263673), (223, 406040), (446, 203020), (892, 101510), (1115, 81208), (1784, 50755), (2230, 40604), (4460, 20302), (8920, 10151)]