488584820

素因数分解:

$2^2\times 5^1\times {\mathrm{2351}}^1\times {\mathrm{10391}}^1$

素因数の和:12751

約数の個数: 24

約数和(自身を含む): 1026563328

約数和(自身を除く): 537978508

約数列:

[1, 2, 4, 5, 10, 20, 2351, 4702, 9404, 10391, 11755, 20782, 23510, 41564, 47020, 51955, 103910, 207820, 24429241, 48858482, 97716964, 122146205, 244292410, 488584820]

約数ペア:

[(1, 488584820), (2, 244292410), (4, 122146205), (5, 97716964), (10, 48858482), (20, 24429241), (2351, 207820), (4702, 103910), (9404, 51955), (10391, 47020), (11755, 41564), (20782, 23510)]