13345580

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{10939}}^1$

素因数の和:11009

約数の個数: 24

約数和(自身を含む): 28487760

約数和(自身を除く): 15142180

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 10939, 21878, 43756, 54695, 109390, 218780, 667279, 1334558, 2669116, 3336395, 6672790, 13345580]

約数ペア:

[(1, 13345580), (2, 6672790), (4, 3336395), (5, 2669116), (10, 1334558), (20, 667279), (61, 218780), (122, 109390), (244, 54695), (305, 43756), (610, 21878), (1220, 10939)]