40680848

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{195581}}^1$

素因数の和:195602

約数の個数: 20

約数和(自身を含む): 84882588

約数和(自身を除く): 44201740

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 195581, 391162, 782324, 1564648, 2542553, 3129296, 5085106, 10170212, 20340424, 40680848]

約数ペア:

[(1, 40680848), (2, 20340424), (4, 10170212), (8, 5085106), (13, 3129296), (16, 2542553), (26, 1564648), (52, 782324), (104, 391162), (208, 195581)]