822280

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{337}}^1$

素因数の和:409

約数の個数: 32

約数和(自身を含む): 1886040

約数和(自身を除く): 1063760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 337, 488, 610, 674, 1220, 1348, 1685, 2440, 2696, 3370, 6740, 13480, 20557, 41114, 82228, 102785, 164456, 205570, 411140, 822280]

約数ペア:

[(1, 822280), (2, 411140), (4, 205570), (5, 164456), (8, 102785), (10, 82228), (20, 41114), (40, 20557), (61, 13480), (122, 6740), (244, 3370), (305, 2696), (337, 2440), (488, 1685), (610, 1348), (674, 1220)]