16906280

素因数分解:

$2^3\times 5^1\times {\mathrm{422657}}^1$

素因数の和:422668

約数の個数: 16

約数和(自身を含む): 38039220

約数和(自身を除く): 21132940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 422657, 845314, 1690628, 2113285, 3381256, 4226570, 8453140, 16906280]

約数ペア:

[(1, 16906280), (2, 8453140), (4, 4226570), (5, 3381256), (8, 2113285), (10, 1690628), (20, 845314), (40, 422657)]