1250320

素因数分解:

$2^4\times 5^1\times {\mathrm{15629}}^1$

素因数の和:15642

約数の個数: 20

約数和(自身を含む): 2907180

約数和(自身を除く): 1656860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 15629, 31258, 62516, 78145, 125032, 156290, 250064, 312580, 625160, 1250320]

約数ペア:

[(1, 1250320), (2, 625160), (4, 312580), (5, 250064), (8, 156290), (10, 125032), (16, 78145), (20, 62516), (40, 31258), (80, 15629)]