81252040

素因数分解:

$2^3\times 5^1\times {\mathrm{2031301}}^1$

素因数の和:2031312

約数の個数: 16

約数和(自身を含む): 182817180

約数和(自身を除く): 101565140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2031301, 4062602, 8125204, 10156505, 16250408, 20313010, 40626020, 81252040]

約数ペア:

[(1, 81252040), (2, 40626020), (4, 20313010), (5, 16250408), (8, 10156505), (10, 8125204), (20, 4062602), (40, 2031301)]