12910160

素因数分解:

$2^4\times 5^1\times {\mathrm{161377}}^1$

素因数の和:161390

約数の個数: 20

約数和(自身を含む): 30016308

約数和(自身を除く): 17106148

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 161377, 322754, 645508, 806885, 1291016, 1613770, 2582032, 3227540, 6455080, 12910160]

約数ペア:

[(1, 12910160), (2, 6455080), (4, 3227540), (5, 2582032), (8, 1613770), (10, 1291016), (16, 806885), (20, 645508), (40, 322754), (80, 161377)]