4007950

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{1129}}^1$

素因数の和:1212

約数の個数: 24

約数和(自身を含む): 7566480

約数和(自身を除く): 3558530

約数列:

[1, 2, 5, 10, 25, 50, 71, 142, 355, 710, 1129, 1775, 2258, 3550, 5645, 11290, 28225, 56450, 80159, 160318, 400795, 801590, 2003975, 4007950]

約数ペア:

[(1, 4007950), (2, 2003975), (5, 801590), (10, 400795), (25, 160318), (50, 80159), (71, 56450), (142, 28225), (355, 11290), (710, 5645), (1129, 3550), (1775, 2258)]