8081380

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{3923}}^1$

素因数の和:4035

約数の個数: 24

約数和(自身を含む): 17140032

約数和(自身を除く): 9058652

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 3923, 7846, 15692, 19615, 39230, 78460, 404069, 808138, 1616276, 2020345, 4040690, 8081380]

約数ペア:

[(1, 8081380), (2, 4040690), (4, 2020345), (5, 1616276), (10, 808138), (20, 404069), (103, 78460), (206, 39230), (412, 19615), (515, 15692), (1030, 7846), (2060, 3923)]