81849280

素因数分解:

$2^6\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1867}}^1$

素因数の和:2021

約数の個数: 56

約数和(自身を含む): 196431408

約数和(自身を除く): 114582128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 137, 160, 274, 320, 548, 685, 1096, 1370, 1867, 2192, 2740, 3734, 4384, 5480, 7468, 8768, 9335, 10960, 14936, 18670, 21920, 29872, 37340, 43840, 59744, 74680, 119488, 149360, 255779, 298720, 511558, 597440, 1023116, 1278895, 2046232, 2557790, 4092464, 5115580, 8184928, 10231160, 16369856, 20462320, 40924640, 81849280]

約数ペア:

[(1, 81849280), (2, 40924640), (4, 20462320), (5, 16369856), (8, 10231160), (10, 8184928), (16, 5115580), (20, 4092464), (32, 2557790), (40, 2046232), (64, 1278895), (80, 1023116), (137, 597440), (160, 511558), (274, 298720), (320, 255779), (548, 149360), (685, 119488), (1096, 74680), (1370, 59744), (1867, 43840), (2192, 37340), (2740, 29872), (3734, 21920), (4384, 18670), (5480, 14936), (7468, 10960), (8768, 9335)]