87765520

素因数分解:

$2^4\times 5^1\times {\mathrm{1097069}}^1$

素因数の和:1097082

約数の個数: 20

約数和(自身を含む): 204055020

約数和(自身を除く): 116289500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1097069, 2194138, 4388276, 5485345, 8776552, 10970690, 17553104, 21941380, 43882760, 87765520]

約数ペア:

[(1, 87765520), (2, 43882760), (4, 21941380), (5, 17553104), (8, 10970690), (10, 8776552), (16, 5485345), (20, 4388276), (40, 2194138), (80, 1097069)]