8879140

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{4073}}^1$

素因数の和:4191

約数の個数: 24

約数和(自身を含む): 18821880

約数和(自身を除く): 9942740

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 4073, 8146, 16292, 20365, 40730, 81460, 443957, 887914, 1775828, 2219785, 4439570, 8879140]

約数ペア:

[(1, 8879140), (2, 4439570), (4, 2219785), (5, 1775828), (10, 887914), (20, 443957), (109, 81460), (218, 40730), (436, 20365), (545, 16292), (1090, 8146), (2180, 4073)]