82020560

素因数分解:

$2^4\times 5^1\times {\mathrm{1025257}}^1$

素因数の和:1025270

約数の個数: 20

約数和(自身を含む): 190697988

約数和(自身を除く): 108677428

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1025257, 2050514, 4101028, 5126285, 8202056, 10252570, 16404112, 20505140, 41010280, 82020560]

約数ペア:

[(1, 82020560), (2, 41010280), (4, 20505140), (5, 16404112), (8, 10252570), (10, 8202056), (16, 5126285), (20, 4101028), (40, 2050514), (80, 1025257)]