9908380

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{1009}}^1$

素因数の和:1509

約数の個数: 24

約数和(自身を含む): 20870640

約数和(自身を除く): 10962260

約数列:

[1, 2, 4, 5, 10, 20, 491, 982, 1009, 1964, 2018, 2455, 4036, 4910, 5045, 9820, 10090, 20180, 495419, 990838, 1981676, 2477095, 4954190, 9908380]

約数ペア:

[(1, 9908380), (2, 4954190), (4, 2477095), (5, 1981676), (10, 990838), (20, 495419), (491, 20180), (982, 10090), (1009, 9820), (1964, 5045), (2018, 4910), (2455, 4036)]