12402580

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{2939}}^1$

素因数の和:3159

約数の個数: 24

約数和(自身を含む): 26177760

約数和(自身を除く): 13775180

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 2939, 4220, 5878, 11756, 14695, 29390, 58780, 620129, 1240258, 2480516, 3100645, 6201290, 12402580]

約数ペア:

[(1, 12402580), (2, 6201290), (4, 3100645), (5, 2480516), (10, 1240258), (20, 620129), (211, 58780), (422, 29390), (844, 14695), (1055, 11756), (2110, 5878), (2939, 4220)]