31088060

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{21893}}^1$

素因数の和:21973

約数の個数: 24

約数和(自身を含む): 66207456

約数和(自身を除く): 35119396

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 21893, 43786, 87572, 109465, 218930, 437860, 1554403, 3108806, 6217612, 7772015, 15544030, 31088060]

約数ペア:

[(1, 31088060), (2, 15544030), (4, 7772015), (5, 6217612), (10, 3108806), (20, 1554403), (71, 437860), (142, 218930), (284, 109465), (355, 87572), (710, 43786), (1420, 21893)]