8642960

素因数分解:

$2^4\times 5^1\times {\mathrm{108037}}^1$

素因数の和:108050

約数の個数: 20

約数和(自身を含む): 20095068

約数和(自身を除く): 11452108

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 108037, 216074, 432148, 540185, 864296, 1080370, 1728592, 2160740, 4321480, 8642960]

約数ペア:

[(1, 8642960), (2, 4321480), (4, 2160740), (5, 1728592), (8, 1080370), (10, 864296), (16, 540185), (20, 432148), (40, 216074), (80, 108037)]