85600280

素因数分解:

$2^3\times 5^1\times {\mathrm{2140007}}^1$

素因数の和:2140018

約数の個数: 16

約数和(自身を含む): 192600720

約数和(自身を除く): 107000440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2140007, 4280014, 8560028, 10700035, 17120056, 21400070, 42800140, 85600280]

約数ペア:

[(1, 85600280), (2, 42800140), (4, 21400070), (5, 17120056), (8, 10700035), (10, 8560028), (20, 4280014), (40, 2140007)]