86220760

素因数分解:

$2^3\times 5^1\times {\mathrm{2155519}}^1$

素因数の和:2155530

約数の個数: 16

約数和(自身を含む): 193996800

約数和(自身を除く): 107776040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2155519, 4311038, 8622076, 10777595, 17244152, 21555190, 43110380, 86220760]

約数ペア:

[(1, 86220760), (2, 43110380), (4, 21555190), (5, 17244152), (8, 10777595), (10, 8622076), (20, 4311038), (40, 2155519)]