28780491260

素因数分解:

$2^2\times 5^1\times {\mathrm{523}}^1\times {\mathrm{2751481}}^1$

素因数の和:2752013

約数の個数: 24

約数和(自身を含む): 60554615856

約数和(自身を除く): 31774124596

約数列:

[1, 2, 4, 5, 10, 20, 523, 1046, 2092, 2615, 5230, 10460, 2751481, 5502962, 11005924, 13757405, 27514810, 55029620, 1439024563, 2878049126, 5756098252, 7195122815, 14390245630, 28780491260]

約数ペア:

[(1, 28780491260), (2, 14390245630), (4, 7195122815), (5, 5756098252), (10, 2878049126), (20, 1439024563), (523, 55029620), (1046, 27514810), (2092, 13757405), (2615, 11005924), (5230, 5502962), (10460, 2751481)]