64941920

素因数分解:

$2^5\times 5^1\times {\mathrm{349}}^1\times {\mathrm{1163}}^1$

素因数の和:1527

約数の個数: 48

約数和(自身を含む): 153997200

約数和(自身を除く): 89055280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 349, 698, 1163, 1396, 1745, 2326, 2792, 3490, 4652, 5584, 5815, 6980, 9304, 11168, 11630, 13960, 18608, 23260, 27920, 37216, 46520, 55840, 93040, 186080, 405887, 811774, 1623548, 2029435, 3247096, 4058870, 6494192, 8117740, 12988384, 16235480, 32470960, 64941920]

約数ペア:

[(1, 64941920), (2, 32470960), (4, 16235480), (5, 12988384), (8, 8117740), (10, 6494192), (16, 4058870), (20, 3247096), (32, 2029435), (40, 1623548), (80, 811774), (160, 405887), (349, 186080), (698, 93040), (1163, 55840), (1396, 46520), (1745, 37216), (2326, 27920), (2792, 23260), (3490, 18608), (4652, 13960), (5584, 11630), (5815, 11168), (6980, 9304)]