12500240

素因数分解:

$2^4\times 5^1\times {\mathrm{156253}}^1$

素因数の和:156266

約数の個数: 20

約数和(自身を含む): 29063244

約数和(自身を除く): 16563004

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 156253, 312506, 625012, 781265, 1250024, 1562530, 2500048, 3125060, 6250120, 12500240]

約数ペア:

[(1, 12500240), (2, 6250120), (4, 3125060), (5, 2500048), (8, 1562530), (10, 1250024), (16, 781265), (20, 625012), (40, 312506), (80, 156253)]