80026220

素因数分解:

$2^2\times 5^1\times {\mathrm{1031}}^1\times {\mathrm{3881}}^1$

素因数の和:4921

約数の個数: 24

約数和(自身を含む): 168261408

約数和(自身を除く): 88235188

約数列:

[1, 2, 4, 5, 10, 20, 1031, 2062, 3881, 4124, 5155, 7762, 10310, 15524, 19405, 20620, 38810, 77620, 4001311, 8002622, 16005244, 20006555, 40013110, 80026220]

約数ペア:

[(1, 80026220), (2, 40013110), (4, 20006555), (5, 16005244), (10, 8002622), (20, 4001311), (1031, 77620), (2062, 38810), (3881, 20620), (4124, 19405), (5155, 15524), (7762, 10310)]