511340680

素因数分解:

$2^3\times 5^1\times {\mathrm{2441}}^1\times {\mathrm{5237}}^1$

素因数の和:7689

約数の個数: 32

約数和(自身を含む): 1151207640

約数和(自身を除く): 639866960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2441, 4882, 5237, 9764, 10474, 12205, 19528, 20948, 24410, 26185, 41896, 48820, 52370, 97640, 104740, 209480, 12783517, 25567034, 51134068, 63917585, 102268136, 127835170, 255670340, 511340680]

約数ペア:

[(1, 511340680), (2, 255670340), (4, 127835170), (5, 102268136), (8, 63917585), (10, 51134068), (20, 25567034), (40, 12783517), (2441, 209480), (4882, 104740), (5237, 97640), (9764, 52370), (10474, 48820), (12205, 41896), (19528, 26185), (20948, 24410)]