68572580

素因数分解:

$2^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{6871}}^1$

素因数の和:7379

約数の個数: 24

約数和(自身を含む): 144312000

約数和(自身を除く): 75739420

約数列:

[1, 2, 4, 5, 10, 20, 499, 998, 1996, 2495, 4990, 6871, 9980, 13742, 27484, 34355, 68710, 137420, 3428629, 6857258, 13714516, 17143145, 34286290, 68572580]

約数ペア:

[(1, 68572580), (2, 34286290), (4, 17143145), (5, 13714516), (10, 6857258), (20, 3428629), (499, 137420), (998, 68710), (1996, 34355), (2495, 27484), (4990, 13742), (6871, 9980)]