82910720

素因数分解:

$2^9\times 5^1\times {\mathrm{139}}^1\times {\mathrm{233}}^1$

素因数の和:395

約数の個数: 80

約数和(自身を含む): 201080880

約数和(自身を除く): 118170160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 139, 160, 233, 256, 278, 320, 466, 512, 556, 640, 695, 932, 1112, 1165, 1280, 1390, 1864, 2224, 2330, 2560, 2780, 3728, 4448, 4660, 5560, 7456, 8896, 9320, 11120, 14912, 17792, 18640, 22240, 29824, 32387, 35584, 37280, 44480, 59648, 64774, 71168, 74560, 88960, 119296, 129548, 149120, 161935, 177920, 259096, 298240, 323870, 355840, 518192, 596480, 647740, 1036384, 1295480, 2072768, 2590960, 4145536, 5181920, 8291072, 10363840, 16582144, 20727680, 41455360, 82910720]

約数ペア:

[(1, 82910720), (2, 41455360), (4, 20727680), (5, 16582144), (8, 10363840), (10, 8291072), (16, 5181920), (20, 4145536), (32, 2590960), (40, 2072768), (64, 1295480), (80, 1036384), (128, 647740), (139, 596480), (160, 518192), (233, 355840), (256, 323870), (278, 298240), (320, 259096), (466, 177920), (512, 161935), (556, 149120), (640, 129548), (695, 119296), (932, 88960), (1112, 74560), (1165, 71168), (1280, 64774), (1390, 59648), (1864, 44480), (2224, 37280), (2330, 35584), (2560, 32387), (2780, 29824), (3728, 22240), (4448, 18640), (4660, 17792), (5560, 14912), (7456, 11120), (8896, 9320)]