68852020

素因数分解:

$2^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{6899}}^1$

素因数の和:7407

約数の個数: 24

約数和(自身を含む): 144900000

約数和(自身を除く): 76047980

約数列:

[1, 2, 4, 5, 10, 20, 499, 998, 1996, 2495, 4990, 6899, 9980, 13798, 27596, 34495, 68990, 137980, 3442601, 6885202, 13770404, 17213005, 34426010, 68852020]

約数ペア:

[(1, 68852020), (2, 34426010), (4, 17213005), (5, 13770404), (10, 6885202), (20, 3442601), (499, 137980), (998, 68990), (1996, 34495), (2495, 27596), (4990, 13798), (6899, 9980)]