13235240

素因数分解:

$2^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{809}}^1$

素因数の和:1229

約数の個数: 32

約数和(自身を含む): 29889000

約数和(自身を除く): 16653760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 409, 809, 818, 1618, 1636, 2045, 3236, 3272, 4045, 4090, 6472, 8090, 8180, 16180, 16360, 32360, 330881, 661762, 1323524, 1654405, 2647048, 3308810, 6617620, 13235240]

約数ペア:

[(1, 13235240), (2, 6617620), (4, 3308810), (5, 2647048), (8, 1654405), (10, 1323524), (20, 661762), (40, 330881), (409, 32360), (809, 16360), (818, 16180), (1618, 8180), (1636, 8090), (2045, 6472), (3236, 4090), (3272, 4045)]