8540380

素因数分解:

$2^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{2557}}^1$

素因数の和:2733

約数の個数: 24

約数和(自身を含む): 18049248

約数和(自身を除く): 9508868

約数列:

[1, 2, 4, 5, 10, 20, 167, 334, 668, 835, 1670, 2557, 3340, 5114, 10228, 12785, 25570, 51140, 427019, 854038, 1708076, 2135095, 4270190, 8540380]

約数ペア:

[(1, 8540380), (2, 4270190), (4, 2135095), (5, 1708076), (10, 854038), (20, 427019), (167, 51140), (334, 25570), (668, 12785), (835, 10228), (1670, 5114), (2557, 3340)]