20151640

素因数分解:

$2^3\times 5^1\times {\mathrm{503791}}^1$

素因数の和:503802

約数の個数: 16

約数和(自身を含む): 45341280

約数和(自身を除く): 25189640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503791, 1007582, 2015164, 2518955, 4030328, 5037910, 10075820, 20151640]

約数ペア:

[(1, 20151640), (2, 10075820), (4, 5037910), (5, 4030328), (8, 2518955), (10, 2015164), (20, 1007582), (40, 503791)]