84461680

素因数分解:

$2^4\times 5^1\times {\mathrm{1055771}}^1$

素因数の和:1055784

約数の個数: 20

約数和(自身を含む): 196373592

約数和(自身を除く): 111911912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1055771, 2111542, 4223084, 5278855, 8446168, 10557710, 16892336, 21115420, 42230840, 84461680]

約数ペア:

[(1, 84461680), (2, 42230840), (4, 21115420), (5, 16892336), (8, 10557710), (10, 8446168), (16, 5278855), (20, 4223084), (40, 2111542), (80, 1055771)]