124621520

素因数分解:

$2^4\times 5^1\times {\mathrm{1557769}}^1$

素因数の和:1557782

約数の個数: 20

約数和(自身を含む): 289745220

約数和(自身を除く): 165123700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1557769, 3115538, 6231076, 7788845, 12462152, 15577690, 24924304, 31155380, 62310760, 124621520]

約数ペア:

[(1, 124621520), (2, 62310760), (4, 31155380), (5, 24924304), (8, 15577690), (10, 12462152), (16, 7788845), (20, 6231076), (40, 3115538), (80, 1557769)]