91486040

素因数分解:

$2^3\times 5^1\times {\mathrm{643}}^1\times {\mathrm{3557}}^1$

素因数の和:4211

約数の個数: 32

約数和(自身を含む): 206221680

約数和(自身を除く): 114735640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 643, 1286, 2572, 3215, 3557, 5144, 6430, 7114, 12860, 14228, 17785, 25720, 28456, 35570, 71140, 142280, 2287151, 4574302, 9148604, 11435755, 18297208, 22871510, 45743020, 91486040]

約数ペア:

[(1, 91486040), (2, 45743020), (4, 22871510), (5, 18297208), (8, 11435755), (10, 9148604), (20, 4574302), (40, 2287151), (643, 142280), (1286, 71140), (2572, 35570), (3215, 28456), (3557, 25720), (5144, 17785), (6430, 14228), (7114, 12860)]