8908840

素因数分解:

$2^3\times 5^1\times {\mathrm{283}}^1\times {\mathrm{787}}^1$

素因数の和:1081

約数の個数: 32

約数和(自身を含む): 20141280

約数和(自身を除く): 11232440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 283, 566, 787, 1132, 1415, 1574, 2264, 2830, 3148, 3935, 5660, 6296, 7870, 11320, 15740, 31480, 222721, 445442, 890884, 1113605, 1781768, 2227210, 4454420, 8908840]

約数ペア:

[(1, 8908840), (2, 4454420), (4, 2227210), (5, 1781768), (8, 1113605), (10, 890884), (20, 445442), (40, 222721), (283, 31480), (566, 15740), (787, 11320), (1132, 7870), (1415, 6296), (1574, 5660), (2264, 3935), (2830, 3148)]