80815325

素因数分解:

$5^2\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{631}}^1$

素因数の和:797

約数の個数: 24

約数和(自身を含む): 103445760

約数和(自身を除く): 22630435

約数列:

[1, 5, 25, 47, 109, 235, 545, 631, 1175, 2725, 3155, 5123, 15775, 25615, 29657, 68779, 128075, 148285, 343895, 741425, 1719475, 3232613, 16163065, 80815325]

約数ペア:

[(1, 80815325), (5, 16163065), (25, 3232613), (47, 1719475), (109, 741425), (235, 343895), (545, 148285), (631, 128075), (1175, 68779), (2725, 29657), (3155, 25615), (5123, 15775)]