31366040

素因数分解:

$2^3\times 5^1\times {\mathrm{379}}^1\times {\mathrm{2069}}^1$

素因数の和:2459

約数の個数: 32

約数和(自身を含む): 70794000

約数和(自身を除く): 39427960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 379, 758, 1516, 1895, 2069, 3032, 3790, 4138, 7580, 8276, 10345, 15160, 16552, 20690, 41380, 82760, 784151, 1568302, 3136604, 3920755, 6273208, 7841510, 15683020, 31366040]

約数ペア:

[(1, 31366040), (2, 15683020), (4, 7841510), (5, 6273208), (8, 3920755), (10, 3136604), (20, 1568302), (40, 784151), (379, 82760), (758, 41380), (1516, 20690), (1895, 16552), (2069, 15160), (3032, 10345), (3790, 8276), (4138, 7580)]