78794060

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{91621}}^1$

素因数の和:91673

約数の個数: 24

約数和(自身を含む): 169317456

約数和(自身を除く): 90523396

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 91621, 183242, 366484, 458105, 916210, 1832420, 3939703, 7879406, 15758812, 19698515, 39397030, 78794060]

約数ペア:

[(1, 78794060), (2, 39397030), (4, 19698515), (5, 15758812), (10, 7879406), (20, 3939703), (43, 1832420), (86, 916210), (172, 458105), (215, 366484), (430, 183242), (860, 91621)]