79481240

素因数分解:

$2^3\times 5^1\times {\mathrm{1987031}}^1$

素因数の和:1987042

約数の個数: 16

約数和(自身を含む): 178832880

約数和(自身を除く): 99351640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1987031, 3974062, 7948124, 9935155, 15896248, 19870310, 39740620, 79481240]

約数ペア:

[(1, 79481240), (2, 39740620), (4, 19870310), (5, 15896248), (8, 9935155), (10, 7948124), (20, 3974062), (40, 1987031)]