80967020

素因数分解:

$2^2\times 5^1\times {\mathrm{821}}^1\times {\mathrm{4931}}^1$

素因数の和:5761

約数の個数: 24

約数和(自身を含む): 170272368

約数和(自身を除く): 89305348

約数列:

[1, 2, 4, 5, 10, 20, 821, 1642, 3284, 4105, 4931, 8210, 9862, 16420, 19724, 24655, 49310, 98620, 4048351, 8096702, 16193404, 20241755, 40483510, 80967020]

約数ペア:

[(1, 80967020), (2, 40483510), (4, 20241755), (5, 16193404), (10, 8096702), (20, 4048351), (821, 98620), (1642, 49310), (3284, 24655), (4105, 19724), (4931, 16420), (8210, 9862)]