179940080

素因数分解:

$2^4\times 5^1\times {\mathrm{2249251}}^1$

素因数の和:2249264

約数の個数: 20

約数和(自身を含む): 418360872

約数和(自身を除く): 238420792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2249251, 4498502, 8997004, 11246255, 17994008, 22492510, 35988016, 44985020, 89970040, 179940080]

約数ペア:

[(1, 179940080), (2, 89970040), (4, 44985020), (5, 35988016), (8, 22492510), (10, 17994008), (16, 11246255), (20, 8997004), (40, 4498502), (80, 2249251)]