90542840

素因数分解:

$2^3\times 5^1\times {\mathrm{577}}^1\times {\mathrm{3923}}^1$

素因数の和:4511

約数の個数: 32

約数和(自身を含む): 204126480

約数和(自身を除く): 113583640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 577, 1154, 2308, 2885, 3923, 4616, 5770, 7846, 11540, 15692, 19615, 23080, 31384, 39230, 78460, 156920, 2263571, 4527142, 9054284, 11317855, 18108568, 22635710, 45271420, 90542840]

約数ペア:

[(1, 90542840), (2, 45271420), (4, 22635710), (5, 18108568), (8, 11317855), (10, 9054284), (20, 4527142), (40, 2263571), (577, 156920), (1154, 78460), (2308, 39230), (2885, 31384), (3923, 23080), (4616, 19615), (5770, 15692), (7846, 11540)]