25670409140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{31305377}}^1$

素因数の和:31305427

約数の個数: 24

約数和(自身を含む): 55222686792

約数和(自身を除く): 29552277652

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 31305377, 62610754, 125221508, 156526885, 313053770, 626107540, 1283520457, 2567040914, 5134081828, 6417602285, 12835204570, 25670409140]

約数ペア:

[(1, 25670409140), (2, 12835204570), (4, 6417602285), (5, 5134081828), (10, 2567040914), (20, 1283520457), (41, 626107540), (82, 313053770), (164, 156526885), (205, 125221508), (410, 62610754), (820, 31305377)]