2019925360

素因数分解:

$2^4\times 5^1\times {\mathrm{25249067}}^1$

素因数の和:25249080

約数の個数: 20

約数和(自身を含む): 4696326648

約数和(自身を除く): 2676401288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25249067, 50498134, 100996268, 126245335, 201992536, 252490670, 403985072, 504981340, 1009962680, 2019925360]

約数ペア:

[(1, 2019925360), (2, 1009962680), (4, 504981340), (5, 403985072), (8, 252490670), (10, 201992536), (16, 126245335), (20, 100996268), (40, 50498134), (80, 25249067)]