84780560

素因数分解:

$2^4\times 5^1\times {\mathrm{1059757}}^1$

素因数の和:1059770

約数の個数: 20

約数和(自身を含む): 197114988

約数和(自身を除く): 112334428

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1059757, 2119514, 4239028, 5298785, 8478056, 10597570, 16956112, 21195140, 42390280, 84780560]

約数ペア:

[(1, 84780560), (2, 42390280), (4, 21195140), (5, 16956112), (8, 10597570), (10, 8478056), (16, 5298785), (20, 4239028), (40, 2119514), (80, 1059757)]