12577420

素因数分解:

$2^2\times 5^1\times {\mathrm{563}}^1\times {\mathrm{1117}}^1$

素因数の和:1689

約数の個数: 24

約数和(自身を含む): 26483184

約数和(自身を除く): 13905764

約数列:

[1, 2, 4, 5, 10, 20, 563, 1117, 1126, 2234, 2252, 2815, 4468, 5585, 5630, 11170, 11260, 22340, 628871, 1257742, 2515484, 3144355, 6288710, 12577420]

約数ペア:

[(1, 12577420), (2, 6288710), (4, 3144355), (5, 2515484), (10, 1257742), (20, 628871), (563, 22340), (1117, 11260), (1126, 11170), (2234, 5630), (2252, 5585), (2815, 4468)]