16640290

素因数分解:

$2^1\times 5^1\times {\mathrm{1181}}^1\times {\mathrm{1409}}^1$

素因数の和:2597

約数の個数: 16

約数和(自身を含む): 29999160

約数和(自身を除く): 13358870

約数列:

[1, 2, 5, 10, 1181, 1409, 2362, 2818, 5905, 7045, 11810, 14090, 1664029, 3328058, 8320145, 16640290]

約数ペア:

[(1, 16640290), (2, 8320145), (5, 3328058), (10, 1664029), (1181, 14090), (1409, 11810), (2362, 7045), (2818, 5905)]