13308980

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{10909}}^1$

素因数の和:10979

約数の個数: 24

約数和(自身を含む): 28409640

約数和(自身を除く): 15100660

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 10909, 21818, 43636, 54545, 109090, 218180, 665449, 1330898, 2661796, 3327245, 6654490, 13308980]

約数ペア:

[(1, 13308980), (2, 6654490), (4, 3327245), (5, 2661796), (10, 1330898), (20, 665449), (61, 218180), (122, 109090), (244, 54545), (305, 43636), (610, 21818), (1220, 10909)]