1630442960

素因数分解:

$2^4\times 5^1\times {\mathrm{20380537}}^1$

素因数の和:20380550

約数の個数: 20

約数和(自身を含む): 3790780068

約数和(自身を除く): 2160337108

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 20380537, 40761074, 81522148, 101902685, 163044296, 203805370, 326088592, 407610740, 815221480, 1630442960]

約数ペア:

[(1, 1630442960), (2, 815221480), (4, 407610740), (5, 326088592), (8, 203805370), (10, 163044296), (16, 101902685), (20, 81522148), (40, 40761074), (80, 20380537)]