3230720

素因数分解:

$2^{10}\times 5^1\times {\mathrm{631}}^1$

素因数の和:656

約数の個数: 44

約数和(自身を含む): 7762224

約数和(自身を除く): 4531504

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, 2524, 2560, 3155, 5048, 5120, 6310, 10096, 12620, 20192, 25240, 40384, 50480, 80768, 100960, 161536, 201920, 323072, 403840, 646144, 807680, 1615360, 3230720]

約数ペア:

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