86578640

素因数分解:

$2^4\times 5^1\times {\mathrm{1082233}}^1$

素因数の和:1082246

約数の個数: 20

約数和(自身を含む): 201295524

約数和(自身を除く): 114716884

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1082233, 2164466, 4328932, 5411165, 8657864, 10822330, 17315728, 21644660, 43289320, 86578640]

約数ペア:

[(1, 86578640), (2, 43289320), (4, 21644660), (5, 17315728), (8, 10822330), (10, 8657864), (16, 5411165), (20, 4328932), (40, 2164466), (80, 1082233)]