403628080

素因数分解:

$2^4\times 5^1\times {\mathrm{251}}^1\times {\mathrm{20101}}^1$

素因数の和:20365

約数の個数: 40

約数和(自身を含む): 942220944

約数和(自身を除く): 538592864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 251, 502, 1004, 1255, 2008, 2510, 4016, 5020, 10040, 20080, 20101, 40202, 80404, 100505, 160808, 201010, 321616, 402020, 804040, 1608080, 5045351, 10090702, 20181404, 25226755, 40362808, 50453510, 80725616, 100907020, 201814040, 403628080]

約数ペア:

[(1, 403628080), (2, 201814040), (4, 100907020), (5, 80725616), (8, 50453510), (10, 40362808), (16, 25226755), (20, 20181404), (40, 10090702), (80, 5045351), (251, 1608080), (502, 804040), (1004, 402020), (1255, 321616), (2008, 201010), (2510, 160808), (4016, 100505), (5020, 80404), (10040, 40202), (20080, 20101)]