89664820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{640463}}^1$

素因数の和:640479

約数の個数: 24

約数和(自身を含む): 215195904

約数和(自身を除く): 125531084

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 640463, 1280926, 2561852, 3202315, 4483241, 6404630, 8966482, 12809260, 17932964, 22416205, 44832410, 89664820]

約数ペア:

[(1, 89664820), (2, 44832410), (4, 22416205), (5, 17932964), (7, 12809260), (10, 8966482), (14, 6404630), (20, 4483241), (28, 3202315), (35, 2561852), (70, 1280926), (140, 640463)]