78556120

素因数分解:

$2^3\times 5^1\times {\mathrm{919}}^1\times {\mathrm{2137}}^1$

素因数の和:3067

約数の個数: 32

約数和(自身を含む): 177026400

約数和(自身を除く): 98470280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 919, 1838, 2137, 3676, 4274, 4595, 7352, 8548, 9190, 10685, 17096, 18380, 21370, 36760, 42740, 85480, 1963903, 3927806, 7855612, 9819515, 15711224, 19639030, 39278060, 78556120]

約数ペア:

[(1, 78556120), (2, 39278060), (4, 19639030), (5, 15711224), (8, 9819515), (10, 7855612), (20, 3927806), (40, 1963903), (919, 85480), (1838, 42740), (2137, 36760), (3676, 21370), (4274, 18380), (4595, 17096), (7352, 10685), (8548, 9190)]