64067620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{168599}}^1$

素因数の和:168627

約数の個数: 24

約数和(自身を含む): 141624000

約数和(自身を除く): 77556380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 168599, 337198, 674396, 842995, 1685990, 3203381, 3371980, 6406762, 12813524, 16016905, 32033810, 64067620]

約数ペア:

[(1, 64067620), (2, 32033810), (4, 16016905), (5, 12813524), (10, 6406762), (19, 3371980), (20, 3203381), (38, 1685990), (76, 842995), (95, 674396), (190, 337198), (380, 168599)]