6401240

素因数分解:

$2^3\times 5^1\times {\mathrm{160031}}^1$

素因数の和:160042

約数の個数: 16

約数和(自身を含む): 14402880

約数和(自身を除く): 8001640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 160031, 320062, 640124, 800155, 1280248, 1600310, 3200620, 6401240]

約数ペア:

[(1, 6401240), (2, 3200620), (4, 1600310), (5, 1280248), (8, 800155), (10, 640124), (20, 320062), (40, 160031)]