81843860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{584599}}^1$

素因数の和:584615

約数の個数: 24

約数和(自身を含む): 196425600

約数和(自身を除く): 114581740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 584599, 1169198, 2338396, 2922995, 4092193, 5845990, 8184386, 11691980, 16368772, 20460965, 40921930, 81843860]

約数ペア:

[(1, 81843860), (2, 40921930), (4, 20460965), (5, 16368772), (7, 11691980), (10, 8184386), (14, 5845990), (20, 4092193), (28, 2922995), (35, 2338396), (70, 1169198), (140, 584599)]