12963100

素因数分解:

$2^2\times 5^2\times {\mathrm{129631}}^1$

素因数の和:129645

約数の個数: 18

約数和(自身を含む): 28130144

約数和(自身を除く): 15167044

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 129631, 259262, 518524, 648155, 1296310, 2592620, 3240775, 6481550, 12963100]

約数ペア:

[(1, 12963100), (2, 6481550), (4, 3240775), (5, 2592620), (10, 1296310), (20, 648155), (25, 518524), (50, 259262), (100, 129631)]