4380080

素因数分解:

$2^4\times 5^1\times {\mathrm{54751}}^1$

素因数の和:54764

約数の個数: 20

約数和(自身を含む): 10183872

約数和(自身を除く): 5803792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 54751, 109502, 219004, 273755, 438008, 547510, 876016, 1095020, 2190040, 4380080]

約数ペア:

[(1, 4380080), (2, 2190040), (4, 1095020), (5, 876016), (8, 547510), (10, 438008), (16, 273755), (20, 219004), (40, 109502), (80, 54751)]