12922880

素因数分解:

$2^{12}\times 5^1\times {\mathrm{631}}^1$

素因数の和:660

約数の個数: 52

約数和(自身を含む): 31060272

約数和(自身を除く): 18137392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 631, 640, 1024, 1262, 1280, 2048, 2524, 2560, 3155, 4096, 5048, 5120, 6310, 10096, 10240, 12620, 20192, 20480, 25240, 40384, 50480, 80768, 100960, 161536, 201920, 323072, 403840, 646144, 807680, 1292288, 1615360, 2584576, 3230720, 6461440, 12922880]

約数ペア:

[(1, 12922880), (2, 6461440), (4, 3230720), (5, 2584576), (8, 1615360), (10, 1292288), (16, 807680), (20, 646144), (32, 403840), (40, 323072), (64, 201920), (80, 161536), (128, 100960), (160, 80768), (256, 50480), (320, 40384), (512, 25240), (631, 20480), (640, 20192), (1024, 12620), (1262, 10240), (1280, 10096), (2048, 6310), (2524, 5120), (2560, 5048), (3155, 4096)]