7666040

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4457}}^1$

素因数の和:4511

約数の個数: 32

約数和(自身を含む): 17653680

約数和(自身を除く): 9987640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 4457, 8914, 17828, 22285, 35656, 44570, 89140, 178280, 191651, 383302, 766604, 958255, 1533208, 1916510, 3833020, 7666040]

約数ペア:

[(1, 7666040), (2, 3833020), (4, 1916510), (5, 1533208), (8, 958255), (10, 766604), (20, 383302), (40, 191651), (43, 178280), (86, 89140), (172, 44570), (215, 35656), (344, 22285), (430, 17828), (860, 8914), (1720, 4457)]