39910045

素因数分解:

$5^1\times 7^1\times {\mathrm{571}}^1\times {\mathrm{1997}}^1$

素因数の和:2580

約数の個数: 16

約数和(自身を含む): 54857088

約数和(自身を除く): 14947043

約数列:

[1, 5, 7, 35, 571, 1997, 2855, 3997, 9985, 13979, 19985, 69895, 1140287, 5701435, 7982009, 39910045]

約数ペア:

[(1, 39910045), (5, 7982009), (7, 5701435), (35, 1140287), (571, 69895), (1997, 19985), (2855, 13979), (3997, 9985)]