12515210

素因数分解:

$2^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{3121}}^1$

素因数の和:3529

約数の個数: 16

約数和(自身を含む): 22590792

約数和(自身を除く): 10075582

約数列:

[1, 2, 5, 10, 401, 802, 2005, 3121, 4010, 6242, 15605, 31210, 1251521, 2503042, 6257605, 12515210]

約数ペア:

[(1, 12515210), (2, 6257605), (5, 2503042), (10, 1251521), (401, 31210), (802, 15605), (2005, 6242), (3121, 4010)]