169281520

素因数分解:

$2^4\times 5^1\times {\mathrm{2116019}}^1$

素因数の和:2116032

約数の個数: 20

約数和(自身を含む): 393579720

約数和(自身を除く): 224298200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2116019, 4232038, 8464076, 10580095, 16928152, 21160190, 33856304, 42320380, 84640760, 169281520]

約数ペア:

[(1, 169281520), (2, 84640760), (4, 42320380), (5, 33856304), (8, 21160190), (10, 16928152), (16, 10580095), (20, 8464076), (40, 4232038), (80, 2116019)]