4099915

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{419}}^1$

素因数の和:546

約数の個数: 16

約数和(自身を含む): 5241600

約数和(自身を除く): 1141685

約数列:

[1, 5, 19, 95, 103, 419, 515, 1957, 2095, 7961, 9785, 39805, 43157, 215785, 819983, 4099915]

約数ペア:

[(1, 4099915), (5, 819983), (19, 215785), (95, 43157), (103, 39805), (419, 9785), (515, 7961), (1957, 2095)]