39401020

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{26987}}^1$

素因数の和:27069

約数の個数: 24

約数和(自身を含む): 83878704

約数和(自身を除く): 44477684

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 26987, 53974, 107948, 134935, 269870, 539740, 1970051, 3940102, 7880204, 9850255, 19700510, 39401020]

約数ペア:

[(1, 39401020), (2, 19700510), (4, 9850255), (5, 7880204), (10, 3940102), (20, 1970051), (73, 539740), (146, 269870), (292, 134935), (365, 107948), (730, 53974), (1460, 26987)]