90642050

素因数分解:

$2^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{20369}}^1$

素因数の和:20470

約数の個数: 24

約数和(自身を含む): 170496900

約数和(自身を除く): 79854850

約数列:

[1, 2, 5, 10, 25, 50, 89, 178, 445, 890, 2225, 4450, 20369, 40738, 101845, 203690, 509225, 1018450, 1812841, 3625682, 9064205, 18128410, 45321025, 90642050]

約数ペア:

[(1, 90642050), (2, 45321025), (5, 18128410), (10, 9064205), (25, 3625682), (50, 1812841), (89, 1018450), (178, 509225), (445, 203690), (890, 101845), (2225, 40738), (4450, 20369)]