11557720

素因数分解:

$2^3\times 5^1\times {\mathrm{283}}^1\times {\mathrm{1021}}^1$

素因数の和:1315

約数の個数: 32

約数和(自身を含む): 26122320

約数和(自身を除く): 14564600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 283, 566, 1021, 1132, 1415, 2042, 2264, 2830, 4084, 5105, 5660, 8168, 10210, 11320, 20420, 40840, 288943, 577886, 1155772, 1444715, 2311544, 2889430, 5778860, 11557720]

約数ペア:

[(1, 11557720), (2, 5778860), (4, 2889430), (5, 2311544), (8, 1444715), (10, 1155772), (20, 577886), (40, 288943), (283, 40840), (566, 20420), (1021, 11320), (1132, 10210), (1415, 8168), (2042, 5660), (2264, 5105), (2830, 4084)]