1999738520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3845651}}^1$

素因数の和:3845675

約数の個数: 32

約数和(自身を含む): 4845521520

約数和(自身を除く): 2845783000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 3845651, 7691302, 15382604, 19228255, 30765208, 38456510, 49993463, 76913020, 99986926, 153826040, 199973852, 249967315, 399947704, 499934630, 999869260, 1999738520]

約数ペア:

[(1, 1999738520), (2, 999869260), (4, 499934630), (5, 399947704), (8, 249967315), (10, 199973852), (13, 153826040), (20, 99986926), (26, 76913020), (40, 49993463), (52, 38456510), (65, 30765208), (104, 19228255), (130, 15382604), (260, 7691302), (520, 3845651)]