8180080

素因数分解:

$2^4\times 5^1\times {\mathrm{102251}}^1$

素因数の和:102264

約数の個数: 20

約数和(自身を含む): 19018872

約数和(自身を除く): 10838792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 102251, 204502, 409004, 511255, 818008, 1022510, 1636016, 2045020, 4090040, 8180080]

約数ペア:

[(1, 8180080), (2, 4090040), (4, 2045020), (5, 1636016), (8, 1022510), (10, 818008), (16, 511255), (20, 409004), (40, 204502), (80, 102251)]