64956440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{85469}}^1$

素因数の和:85499

約数の個数: 32

約数和(自身を含む): 153846000

約数和(自身を除く): 88889560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 85469, 170938, 341876, 427345, 683752, 854690, 1623911, 1709380, 3247822, 3418760, 6495644, 8119555, 12991288, 16239110, 32478220, 64956440]

約数ペア:

[(1, 64956440), (2, 32478220), (4, 16239110), (5, 12991288), (8, 8119555), (10, 6495644), (19, 3418760), (20, 3247822), (38, 1709380), (40, 1623911), (76, 854690), (95, 683752), (152, 427345), (190, 341876), (380, 170938), (760, 85469)]