79661080

素因数分解:

$2^3\times 5^1\times {\mathrm{1991527}}^1$

素因数の和:1991538

約数の個数: 16

約数和(自身を含む): 179237520

約数和(自身を除く): 99576440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1991527, 3983054, 7966108, 9957635, 15932216, 19915270, 39830540, 79661080]

約数ペア:

[(1, 79661080), (2, 39830540), (4, 19915270), (5, 15932216), (8, 9957635), (10, 7966108), (20, 3983054), (40, 1991527)]