65280620

素因数分解:

$2^2\times 5^1\times {\mathrm{601}}^1\times {\mathrm{5431}}^1$

素因数の和:6041

約数の個数: 24

約数和(自身を含む): 137342688

約数和(自身を除く): 72062068

約数列:

[1, 2, 4, 5, 10, 20, 601, 1202, 2404, 3005, 5431, 6010, 10862, 12020, 21724, 27155, 54310, 108620, 3264031, 6528062, 13056124, 16320155, 32640310, 65280620]

約数ペア:

[(1, 65280620), (2, 32640310), (4, 16320155), (5, 13056124), (10, 6528062), (20, 3264031), (601, 108620), (1202, 54310), (2404, 27155), (3005, 21724), (5431, 12020), (6010, 10862)]