84980080

素因数分解:

$2^4\times 5^1\times {\mathrm{1062251}}^1$

素因数の和:1062264

約数の個数: 20

約数和(自身を含む): 197578872

約数和(自身を除く): 112598792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1062251, 2124502, 4249004, 5311255, 8498008, 10622510, 16996016, 21245020, 42490040, 84980080]

約数ペア:

[(1, 84980080), (2, 42490040), (4, 21245020), (5, 16996016), (8, 10622510), (10, 8498008), (16, 5311255), (20, 4249004), (40, 2124502), (80, 1062251)]