67889260

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{78941}}^1$

素因数の和:78993

約数の個数: 24

約数和(自身を含む): 145884816

約数和(自身を除く): 77995556

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 78941, 157882, 315764, 394705, 789410, 1578820, 3394463, 6788926, 13577852, 16972315, 33944630, 67889260]

約数ペア:

[(1, 67889260), (2, 33944630), (4, 16972315), (5, 13577852), (10, 6788926), (20, 3394463), (43, 1578820), (86, 789410), (172, 394705), (215, 315764), (430, 157882), (860, 78941)]