81089060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{311881}}^1$

素因数の和:311903

約数の個数: 24

約数和(自身を含む): 183386616

約数和(自身を除く): 102297556

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 311881, 623762, 1247524, 1559405, 3118810, 4054453, 6237620, 8108906, 16217812, 20272265, 40544530, 81089060]

約数ペア:

[(1, 81089060), (2, 40544530), (4, 20272265), (5, 16217812), (10, 8108906), (13, 6237620), (20, 4054453), (26, 3118810), (52, 1559405), (65, 1247524), (130, 623762), (260, 311881)]