82801280

素因数分解:

$2^7\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1931}}^1$

素因数の和:2017

約数の個数: 64

約数和(自身を含む): 201005280

約数和(自身を除く): 118204000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 128, 134, 160, 268, 320, 335, 536, 640, 670, 1072, 1340, 1931, 2144, 2680, 3862, 4288, 5360, 7724, 8576, 9655, 10720, 15448, 19310, 21440, 30896, 38620, 42880, 61792, 77240, 123584, 129377, 154480, 247168, 258754, 308960, 517508, 617920, 646885, 1035016, 1235840, 1293770, 2070032, 2587540, 4140064, 5175080, 8280128, 10350160, 16560256, 20700320, 41400640, 82801280]

約数ペア:

[(1, 82801280), (2, 41400640), (4, 20700320), (5, 16560256), (8, 10350160), (10, 8280128), (16, 5175080), (20, 4140064), (32, 2587540), (40, 2070032), (64, 1293770), (67, 1235840), (80, 1035016), (128, 646885), (134, 617920), (160, 517508), (268, 308960), (320, 258754), (335, 247168), (536, 154480), (640, 129377), (670, 123584), (1072, 77240), (1340, 61792), (1931, 42880), (2144, 38620), (2680, 30896), (3862, 21440), (4288, 19310), (5360, 15448), (7724, 10720), (8576, 9655)]