8750740

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2221}}^1$

素因数の和:2427

約数の個数: 24

約数和(自身を含む): 18478152

約数和(自身を除く): 9727412

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 2221, 3940, 4442, 8884, 11105, 22210, 44420, 437537, 875074, 1750148, 2187685, 4375370, 8750740]

約数ペア:

[(1, 8750740), (2, 4375370), (4, 2187685), (5, 1750148), (10, 875074), (20, 437537), (197, 44420), (394, 22210), (788, 11105), (985, 8884), (1970, 4442), (2221, 3940)]