66120440

素因数分解:

$2^3\times 5^1\times {\mathrm{1653011}}^1$

素因数の和:1653022

約数の個数: 16

約数和(自身を含む): 148771080

約数和(自身を除く): 82650640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1653011, 3306022, 6612044, 8265055, 13224088, 16530110, 33060220, 66120440]

約数ペア:

[(1, 66120440), (2, 33060220), (4, 16530110), (5, 13224088), (8, 8265055), (10, 6612044), (20, 3306022), (40, 1653011)]