68877080

素因数分解:

$2^3\times 5^1\times {\mathrm{1721927}}^1$

素因数の和:1721938

約数の個数: 16

約数和(自身を含む): 154973520

約数和(自身を除く): 86096440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1721927, 3443854, 6887708, 8609635, 13775416, 17219270, 34438540, 68877080]

約数ペア:

[(1, 68877080), (2, 34438540), (4, 17219270), (5, 13775416), (8, 8609635), (10, 6887708), (20, 3443854), (40, 1721927)]