11516920

素因数分解:

$2^3\times 5^1\times {\mathrm{499}}^1\times {\mathrm{577}}^1$

素因数の和:1087

約数の個数: 32

約数和(自身を含む): 26010000

約数和(自身を除く): 14493080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 499, 577, 998, 1154, 1996, 2308, 2495, 2885, 3992, 4616, 4990, 5770, 9980, 11540, 19960, 23080, 287923, 575846, 1151692, 1439615, 2303384, 2879230, 5758460, 11516920]

約数ペア:

[(1, 11516920), (2, 5758460), (4, 2879230), (5, 2303384), (8, 1439615), (10, 1151692), (20, 575846), (40, 287923), (499, 23080), (577, 19960), (998, 11540), (1154, 9980), (1996, 5770), (2308, 4990), (2495, 4616), (2885, 3992)]