82072840

素因数分解:

$2^3\times 5^1\times {\mathrm{2051821}}^1$

素因数の和:2051832

約数の個数: 16

約数和(自身を含む): 184663980

約数和(自身を除く): 102591140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2051821, 4103642, 8207284, 10259105, 16414568, 20518210, 41036420, 82072840]

約数ペア:

[(1, 82072840), (2, 41036420), (4, 20518210), (5, 16414568), (8, 10259105), (10, 8207284), (20, 4103642), (40, 2051821)]