12840010

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67579}}^1$

素因数の和:67605

約数の個数: 16

約数和(自身を含む): 24328800

約数和(自身を除く): 11488790

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 67579, 135158, 337895, 675790, 1284001, 2568002, 6420005, 12840010]

約数ペア:

[(1, 12840010), (2, 6420005), (5, 2568002), (10, 1284001), (19, 675790), (38, 337895), (95, 135158), (190, 67579)]