80985680

素因数分解:

$2^4\times 5^1\times {\mathrm{1012321}}^1$

素因数の和:1012334

約数の個数: 20

約数和(自身を含む): 188291892

約数和(自身を除く): 107306212

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1012321, 2024642, 4049284, 5061605, 8098568, 10123210, 16197136, 20246420, 40492840, 80985680]

約数ペア:

[(1, 80985680), (2, 40492840), (4, 20246420), (5, 16197136), (8, 10123210), (10, 8098568), (16, 5061605), (20, 4049284), (40, 2024642), (80, 1012321)]