8161520

素因数分解:

$2^4\times 5^1\times {\mathrm{102019}}^1$

素因数の和:102032

約数の個数: 20

約数和(自身を含む): 18975720

約数和(自身を除く): 10814200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 102019, 204038, 408076, 510095, 816152, 1020190, 1632304, 2040380, 4080760, 8161520]

約数ペア:

[(1, 8161520), (2, 4080760), (4, 2040380), (5, 1632304), (8, 1020190), (10, 816152), (16, 510095), (20, 408076), (40, 204038), (80, 102019)]