12356780

素因数分解:

$2^2\times 5^1\times {\mathrm{359}}^1\times {\mathrm{1721}}^1$

素因数の和:2089

約数の個数: 24

約数和(自身を含む): 26036640

約数和(自身を除く): 13679860

約数列:

[1, 2, 4, 5, 10, 20, 359, 718, 1436, 1721, 1795, 3442, 3590, 6884, 7180, 8605, 17210, 34420, 617839, 1235678, 2471356, 3089195, 6178390, 12356780]

約数ペア:

[(1, 12356780), (2, 6178390), (4, 3089195), (5, 2471356), (10, 1235678), (20, 617839), (359, 34420), (718, 17210), (1436, 8605), (1721, 7180), (1795, 6884), (3442, 3590)]