78804849020

素因数分解:

$2^2\times 5^1\times {\mathrm{6781}}^1\times {\mathrm{581071}}^1$

素因数の和:587861

約数の個数: 24

約数和(自身を含む): 165514872768

約数和(自身を除く): 86710023748

約数列:

[1, 2, 4, 5, 10, 20, 6781, 13562, 27124, 33905, 67810, 135620, 581071, 1162142, 2324284, 2905355, 5810710, 11621420, 3940242451, 7880484902, 15760969804, 19701212255, 39402424510, 78804849020]

約数ペア:

[(1, 78804849020), (2, 39402424510), (4, 19701212255), (5, 15760969804), (10, 7880484902), (20, 3940242451), (6781, 11621420), (13562, 5810710), (27124, 2905355), (33905, 2324284), (67810, 1162142), (135620, 581071)]