56452840

素因数分解:

$2^3\times 5^1\times {\mathrm{283}}^1\times {\mathrm{4987}}^1$

素因数の和:5281

約数の個数: 32

約数和(自身を含む): 127493280

約数和(自身を除く): 71040440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 283, 566, 1132, 1415, 2264, 2830, 4987, 5660, 9974, 11320, 19948, 24935, 39896, 49870, 99740, 199480, 1411321, 2822642, 5645284, 7056605, 11290568, 14113210, 28226420, 56452840]

約数ペア:

[(1, 56452840), (2, 28226420), (4, 14113210), (5, 11290568), (8, 7056605), (10, 5645284), (20, 2822642), (40, 1411321), (283, 199480), (566, 99740), (1132, 49870), (1415, 39896), (2264, 24935), (2830, 19948), (4987, 11320), (5660, 9974)]