320401240

素因数分解:

$2^3\times 5^1\times {\mathrm{8010031}}^1$

素因数の和:8010042

約数の個数: 16

約数和(自身を含む): 720902880

約数和(自身を除く): 400501640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 8010031, 16020062, 32040124, 40050155, 64080248, 80100310, 160200620, 320401240]

約数ペア:

[(1, 320401240), (2, 160200620), (4, 80100310), (5, 64080248), (8, 40050155), (10, 32040124), (20, 16020062), (40, 8010031)]