179945420

素因数分解:

$2^2\times 5^1\times {\mathrm{2221}}^1\times {\mathrm{4051}}^1$

素因数の和:6281

約数の個数: 24

約数和(自身を含む): 378148848

約数和(自身を除く): 198203428

約数列:

[1, 2, 4, 5, 10, 20, 2221, 4051, 4442, 8102, 8884, 11105, 16204, 20255, 22210, 40510, 44420, 81020, 8997271, 17994542, 35989084, 44986355, 89972710, 179945420]

約数ペア:

[(1, 179945420), (2, 89972710), (4, 44986355), (5, 35989084), (10, 17994542), (20, 8997271), (2221, 81020), (4051, 44420), (4442, 40510), (8102, 22210), (8884, 20255), (11105, 16204)]