78823820

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{31033}}^1$

素因数の和:31169

約数の個数: 24

約数和(自身を含む): 166838784

約数和(自身を除く): 88014964

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 31033, 62066, 124132, 155165, 310330, 620660, 3941191, 7882382, 15764764, 19705955, 39411910, 78823820]

約数ペア:

[(1, 78823820), (2, 39411910), (4, 19705955), (5, 15764764), (10, 7882382), (20, 3941191), (127, 620660), (254, 310330), (508, 155165), (635, 124132), (1270, 62066), (2540, 31033)]