80660

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:155

約数の個数: 24

約数和(自身を含む): 175560

約数和(自身を除く): 94900

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 109, 148, 185, 218, 370, 436, 545, 740, 1090, 2180, 4033, 8066, 16132, 20165, 40330, 80660]

約数ペア:

[(1, 80660), (2, 40330), (4, 20165), (5, 16132), (10, 8066), (20, 4033), (37, 2180), (74, 1090), (109, 740), (148, 545), (185, 436), (218, 370)]