68910040

素因数分解:

$2^3\times 5^1\times {\mathrm{1722751}}^1$

素因数の和:1722762

約数の個数: 16

約数和(自身を含む): 155047680

約数和(自身を除く): 86137640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1722751, 3445502, 6891004, 8613755, 13782008, 17227510, 34455020, 68910040]

約数ペア:

[(1, 68910040), (2, 34455020), (4, 17227510), (5, 13782008), (8, 8613755), (10, 6891004), (20, 3445502), (40, 1722751)]