13452220

素因数分解:

$2^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{1291}}^1$

素因数の和:1821

約数の個数: 24

約数和(自身を含む): 28325808

約数和(自身を除く): 14873588

約数列:

[1, 2, 4, 5, 10, 20, 521, 1042, 1291, 2084, 2582, 2605, 5164, 5210, 6455, 10420, 12910, 25820, 672611, 1345222, 2690444, 3363055, 6726110, 13452220]

約数ペア:

[(1, 13452220), (2, 6726110), (4, 3363055), (5, 2690444), (10, 1345222), (20, 672611), (521, 25820), (1042, 12910), (1291, 10420), (2084, 6455), (2582, 5210), (2605, 5164)]