2080445440

素因数分解:

$2^{10}\times 5^1\times {\mathrm{347}}^1\times {\mathrm{1171}}^1$

素因数の和:1543

約数の個数: 88

約数和(自身を含む): 5009287392

約数和(自身を除く): 2928841952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 347, 512, 640, 694, 1024, 1171, 1280, 1388, 1735, 2342, 2560, 2776, 3470, 4684, 5120, 5552, 5855, 6940, 9368, 11104, 11710, 13880, 18736, 22208, 23420, 27760, 37472, 44416, 46840, 55520, 74944, 88832, 93680, 111040, 149888, 177664, 187360, 222080, 299776, 355328, 374720, 406337, 444160, 599552, 749440, 812674, 888320, 1199104, 1498880, 1625348, 1776640, 2031685, 2997760, 3250696, 4063370, 5995520, 6501392, 8126740, 13002784, 16253480, 26005568, 32506960, 52011136, 65013920, 104022272, 130027840, 208044544, 260055680, 416089088, 520111360, 1040222720, 2080445440]

約数ペア:

[(1, 2080445440), (2, 1040222720), (4, 520111360), (5, 416089088), (8, 260055680), (10, 208044544), (16, 130027840), (20, 104022272), (32, 65013920), (40, 52011136), (64, 32506960), (80, 26005568), (128, 16253480), (160, 13002784), (256, 8126740), (320, 6501392), (347, 5995520), (512, 4063370), (640, 3250696), (694, 2997760), (1024, 2031685), (1171, 1776640), (1280, 1625348), (1388, 1498880), (1735, 1199104), (2342, 888320), (2560, 812674), (2776, 749440), (3470, 599552), (4684, 444160), (5120, 406337), (5552, 374720), (5855, 355328), (6940, 299776), (9368, 222080), (11104, 187360), (11710, 177664), (13880, 149888), (18736, 111040), (22208, 93680), (23420, 88832), (27760, 74944), (37472, 55520), (44416, 46840)]