12223660

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{4397}}^1$

素因数の和:4545

約数の個数: 24

約数和(自身を含む): 25860240

約数和(自身を除く): 13636580

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 4397, 8794, 17588, 21985, 43970, 87940, 611183, 1222366, 2444732, 3055915, 6111830, 12223660]

約数ペア:

[(1, 12223660), (2, 6111830), (4, 3055915), (5, 2444732), (10, 1222366), (20, 611183), (139, 87940), (278, 43970), (556, 21985), (695, 17588), (1390, 8794), (2780, 4397)]