159450920

素因数分解:

$2^3\times 5^1\times {\mathrm{3986273}}^1$

素因数の和:3986284

約数の個数: 16

約数和(自身を含む): 358764660

約数和(自身を除く): 199313740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3986273, 7972546, 15945092, 19931365, 31890184, 39862730, 79725460, 159450920]

約数ペア:

[(1, 159450920), (2, 79725460), (4, 39862730), (5, 31890184), (8, 19931365), (10, 15945092), (20, 7972546), (40, 3986273)]