12511390

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{9001}}^1$

素因数の和:9147

約数の個数: 16

約数和(自身を含む): 22685040

約数和(自身を除く): 10173650

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 9001, 18002, 45005, 90010, 1251139, 2502278, 6255695, 12511390]

約数ペア:

[(1, 12511390), (2, 6255695), (5, 2502278), (10, 1251139), (139, 90010), (278, 45005), (695, 18002), (1390, 9001)]