4439240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8537}}^1$

素因数の和:8561

約数の個数: 32

約数和(自身を含む): 10757880

約数和(自身を除く): 6318640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 8537, 17074, 34148, 42685, 68296, 85370, 110981, 170740, 221962, 341480, 443924, 554905, 887848, 1109810, 2219620, 4439240]

約数ペア:

[(1, 4439240), (2, 2219620), (4, 1109810), (5, 887848), (8, 554905), (10, 443924), (13, 341480), (20, 221962), (26, 170740), (40, 110981), (52, 85370), (65, 68296), (104, 42685), (130, 34148), (260, 17074), (520, 8537)]