31232540

素因数分解:

$2^2\times 5^1\times {\mathrm{617}}^1\times {\mathrm{2531}}^1$

素因数の和:3157

約数の個数: 24

約数和(自身を含む): 65720592

約数和(自身を除く): 34488052

約数列:

[1, 2, 4, 5, 10, 20, 617, 1234, 2468, 2531, 3085, 5062, 6170, 10124, 12340, 12655, 25310, 50620, 1561627, 3123254, 6246508, 7808135, 15616270, 31232540]

約数ペア:

[(1, 31232540), (2, 15616270), (4, 7808135), (5, 6246508), (10, 3123254), (20, 1561627), (617, 50620), (1234, 25310), (2468, 12655), (2531, 12340), (3085, 10124), (5062, 6170)]