2171080

素因数分解:

$2^3\times 5^1\times {\mathrm{54277}}^1$

素因数の和:54288

約数の個数: 16

約数和(自身を含む): 4885020

約数和(自身を除く): 2713940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 54277, 108554, 217108, 271385, 434216, 542770, 1085540, 2171080]

約数ペア:

[(1, 2171080), (2, 1085540), (4, 542770), (5, 434216), (8, 271385), (10, 217108), (20, 108554), (40, 54277)]