2219620

素因数分解:

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

素因数の和:8559

約数の個数: 24

約数和(自身を含む): 5020344

約数和(自身を除く): 2800724

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 8537, 17074, 34148, 42685, 85370, 110981, 170740, 221962, 443924, 554905, 1109810, 2219620]

約数ペア:

[(1, 2219620), (2, 1109810), (4, 554905), (5, 443924), (10, 221962), (13, 170740), (20, 110981), (26, 85370), (52, 42685), (65, 34148), (130, 17074), (260, 8537)]