13112620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{15991}}^1$

素因数の和:16041

約数の個数: 24

約数和(自身を含む): 28209888

約数和(自身を除く): 15097268

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 15991, 31982, 63964, 79955, 159910, 319820, 655631, 1311262, 2622524, 3278155, 6556310, 13112620]

約数ペア:

[(1, 13112620), (2, 6556310), (4, 3278155), (5, 2622524), (10, 1311262), (20, 655631), (41, 319820), (82, 159910), (164, 79955), (205, 63964), (410, 31982), (820, 15991)]