140388880

素因数分解:

$2^4\times 5^1\times {\mathrm{1754861}}^1$

素因数の和:1754874

約数の個数: 20

約数和(自身を含む): 326404332

約数和(自身を除く): 186015452

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1754861, 3509722, 7019444, 8774305, 14038888, 17548610, 28077776, 35097220, 70194440, 140388880]

約数ペア:

[(1, 140388880), (2, 70194440), (4, 35097220), (5, 28077776), (8, 17548610), (10, 14038888), (16, 8774305), (20, 7019444), (40, 3509722), (80, 1754861)]