11478620

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{4129}}^1$

素因数の和:4277

約数の個数: 24

約数和(自身を含む): 24284400

約数和(自身を除く): 12805780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 4129, 8258, 16516, 20645, 41290, 82580, 573931, 1147862, 2295724, 2869655, 5739310, 11478620]

約数ペア:

[(1, 11478620), (2, 5739310), (4, 2869655), (5, 2295724), (10, 1147862), (20, 573931), (139, 82580), (278, 41290), (556, 20645), (695, 16516), (1390, 8258), (2780, 4129)]