51758360

素因数分解:

$2^3\times 5^1\times {\mathrm{487}}^1\times {\mathrm{2657}}^1$

素因数の和:3155

約数の個数: 32

約数和(自身を含む): 116739360

約数和(自身を除く): 64981000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 487, 974, 1948, 2435, 2657, 3896, 4870, 5314, 9740, 10628, 13285, 19480, 21256, 26570, 53140, 106280, 1293959, 2587918, 5175836, 6469795, 10351672, 12939590, 25879180, 51758360]

約数ペア:

[(1, 51758360), (2, 25879180), (4, 12939590), (5, 10351672), (8, 6469795), (10, 5175836), (20, 2587918), (40, 1293959), (487, 106280), (974, 53140), (1948, 26570), (2435, 21256), (2657, 19480), (3896, 13285), (4870, 10628), (5314, 9740)]