64682840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{85109}}^1$

素因数の和:85139

約数の個数: 32

約数和(自身を含む): 153198000

約数和(自身を除く): 88515160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 85109, 170218, 340436, 425545, 680872, 851090, 1617071, 1702180, 3234142, 3404360, 6468284, 8085355, 12936568, 16170710, 32341420, 64682840]

約数ペア:

[(1, 64682840), (2, 32341420), (4, 16170710), (5, 12936568), (8, 8085355), (10, 6468284), (19, 3404360), (20, 3234142), (38, 1702180), (40, 1617071), (76, 851090), (95, 680872), (152, 425545), (190, 340436), (380, 170218), (760, 85109)]