13225820

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{4057}}^1$

素因数の和:4229

約数の個数: 24

約数和(自身を含む): 27951504

約数和(自身を除く): 14725684

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 4057, 8114, 16228, 20285, 40570, 81140, 661291, 1322582, 2645164, 3306455, 6612910, 13225820]

約数ペア:

[(1, 13225820), (2, 6612910), (4, 3306455), (5, 2645164), (10, 1322582), (20, 661291), (163, 81140), (326, 40570), (652, 20285), (815, 16228), (1630, 8114), (3260, 4057)]