123138040

素因数分解:

$2^3\times 5^1\times {\mathrm{3078451}}^1$

素因数の和:3078462

約数の個数: 16

約数和(自身を含む): 277060680

約数和(自身を除く): 153922640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3078451, 6156902, 12313804, 15392255, 24627608, 30784510, 61569020, 123138040]

約数ペア:

[(1, 123138040), (2, 61569020), (4, 30784510), (5, 24627608), (8, 15392255), (10, 12313804), (20, 6156902), (40, 3078451)]