40037680

素因数分解:

$2^4\times 5^1\times {\mathrm{500471}}^1$

素因数の和:500484

約数の個数: 20

約数和(自身を含む): 93087792

約数和(自身を除く): 53050112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 500471, 1000942, 2001884, 2502355, 4003768, 5004710, 8007536, 10009420, 20018840, 40037680]

約数ペア:

[(1, 40037680), (2, 20018840), (4, 10009420), (5, 8007536), (8, 5004710), (10, 4003768), (16, 2502355), (20, 2001884), (40, 1000942), (80, 500471)]