80457550

素因数分解:

$2^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{20369}}^1$

素因数の和:20460

約数の個数: 24

約数和(自身を含む): 151552800

約数和(自身を除く): 71095250

約数列:

[1, 2, 5, 10, 25, 50, 79, 158, 395, 790, 1975, 3950, 20369, 40738, 101845, 203690, 509225, 1018450, 1609151, 3218302, 8045755, 16091510, 40228775, 80457550]

約数ペア:

[(1, 80457550), (2, 40228775), (5, 16091510), (10, 8045755), (25, 3218302), (50, 1609151), (79, 1018450), (158, 509225), (395, 203690), (790, 101845), (1975, 40738), (3950, 20369)]