99197680

素因数分解:

$2^4\times 5^1\times {\mathrm{1239971}}^1$

素因数の和:1239984

約数の個数: 20

約数和(自身を含む): 230634792

約数和(自身を除く): 131437112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1239971, 2479942, 4959884, 6199855, 9919768, 12399710, 19839536, 24799420, 49598840, 99197680]

約数ペア:

[(1, 99197680), (2, 49598840), (4, 24799420), (5, 19839536), (8, 12399710), (10, 9919768), (16, 6199855), (20, 4959884), (40, 2479942), (80, 1239971)]