81292040

素因数分解:

$2^3\times 5^1\times {\mathrm{2032301}}^1$

素因数の和:2032312

約数の個数: 16

約数和(自身を含む): 182907180

約数和(自身を除く): 101615140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2032301, 4064602, 8129204, 10161505, 16258408, 20323010, 40646020, 81292040]

約数ペア:

[(1, 81292040), (2, 40646020), (4, 20323010), (5, 16258408), (8, 10161505), (10, 8129204), (20, 4064602), (40, 2032301)]