84378040

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{49057}}^1$

素因数の和:49111

約数の個数: 32

約数和(自身を含む): 194269680

約数和(自身を除く): 109891640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 49057, 98114, 196228, 245285, 392456, 490570, 981140, 1962280, 2109451, 4218902, 8437804, 10547255, 16875608, 21094510, 42189020, 84378040]

約数ペア:

[(1, 84378040), (2, 42189020), (4, 21094510), (5, 16875608), (8, 10547255), (10, 8437804), (20, 4218902), (40, 2109451), (43, 1962280), (86, 981140), (172, 490570), (215, 392456), (344, 245285), (430, 196228), (860, 98114), (1720, 49057)]