31816840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{433}}^1$

素因数の和:622

約数の個数: 64

約数和(自身を含む): 78744960

約数和(自身を除く): 46928120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 167, 220, 334, 433, 440, 668, 835, 866, 1336, 1670, 1732, 1837, 2165, 3340, 3464, 3674, 4330, 4763, 6680, 7348, 8660, 9185, 9526, 14696, 17320, 18370, 19052, 23815, 36740, 38104, 47630, 72311, 73480, 95260, 144622, 190520, 289244, 361555, 578488, 723110, 795421, 1446220, 1590842, 2892440, 3181684, 3977105, 6363368, 7954210, 15908420, 31816840]

約数ペア:

[(1, 31816840), (2, 15908420), (4, 7954210), (5, 6363368), (8, 3977105), (10, 3181684), (11, 2892440), (20, 1590842), (22, 1446220), (40, 795421), (44, 723110), (55, 578488), (88, 361555), (110, 289244), (167, 190520), (220, 144622), (334, 95260), (433, 73480), (440, 72311), (668, 47630), (835, 38104), (866, 36740), (1336, 23815), (1670, 19052), (1732, 18370), (1837, 17320), (2165, 14696), (3340, 9526), (3464, 9185), (3674, 8660), (4330, 7348), (4763, 6680)]