28615540

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{34897}}^1$

素因数の和:34947

約数の個数: 24

約数和(自身を含む): 61560072

約数和(自身を除く): 32944532

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 34897, 69794, 139588, 174485, 348970, 697940, 1430777, 2861554, 5723108, 7153885, 14307770, 28615540]

約数ペア:

[(1, 28615540), (2, 14307770), (4, 7153885), (5, 5723108), (10, 2861554), (20, 1430777), (41, 697940), (82, 348970), (164, 174485), (205, 139588), (410, 69794), (820, 34897)]