64042960

素因数分解:

$2^4\times 5^1\times {\mathrm{800537}}^1$

素因数の和:800550

約数の個数: 20

約数和(自身を含む): 148900068

約数和(自身を除く): 84857108

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 800537, 1601074, 3202148, 4002685, 6404296, 8005370, 12808592, 16010740, 32021480, 64042960]

約数ペア:

[(1, 64042960), (2, 32021480), (4, 16010740), (5, 12808592), (8, 8005370), (10, 6404296), (16, 4002685), (20, 3202148), (40, 1601074), (80, 800537)]