82019380

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:209

約数の個数: 96

約数和(自身を含む): 189987840

約数和(自身を除く): 107968460

約数列:

[1, 2, 4, 5, 10, 20, 23, 37, 46, 61, 74, 79, 92, 115, 122, 148, 158, 185, 230, 244, 305, 316, 370, 395, 460, 610, 740, 790, 851, 1220, 1403, 1580, 1702, 1817, 2257, 2806, 2923, 3404, 3634, 4255, 4514, 4819, 5612, 5846, 7015, 7268, 8510, 9028, 9085, 9638, 11285, 11692, 14030, 14615, 17020, 18170, 19276, 22570, 24095, 28060, 29230, 36340, 45140, 48190, 51911, 58460, 67229, 96380, 103822, 110837, 134458, 178303, 207644, 221674, 259555, 268916, 336145, 356606, 443348, 519110, 554185, 672290, 713212, 891515, 1038220, 1108370, 1344580, 1783030, 2216740, 3566060, 4100969, 8201938, 16403876, 20504845, 41009690, 82019380]

約数ペア:

[(1, 82019380), (2, 41009690), (4, 20504845), (5, 16403876), (10, 8201938), (20, 4100969), (23, 3566060), (37, 2216740), (46, 1783030), (61, 1344580), (74, 1108370), (79, 1038220), (92, 891515), (115, 713212), (122, 672290), (148, 554185), (158, 519110), (185, 443348), (230, 356606), (244, 336145), (305, 268916), (316, 259555), (370, 221674), (395, 207644), (460, 178303), (610, 134458), (740, 110837), (790, 103822), (851, 96380), (1220, 67229), (1403, 58460), (1580, 51911), (1702, 48190), (1817, 45140), (2257, 36340), (2806, 29230), (2923, 28060), (3404, 24095), (3634, 22570), (4255, 19276), (4514, 18170), (4819, 17020), (5612, 14615), (5846, 14030), (7015, 11692), (7268, 11285), (8510, 9638), (9028, 9085)]