85400320

素因数分解:

$2^8\times 5^1\times {\mathrm{137}}^1\times {\mathrm{487}}^1$

素因数の和:645

約数の個数: 72

約数和(自身を含む): 206476704

約数和(自身を除く): 121076384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 137, 160, 256, 274, 320, 487, 548, 640, 685, 974, 1096, 1280, 1370, 1948, 2192, 2435, 2740, 3896, 4384, 4870, 5480, 7792, 8768, 9740, 10960, 15584, 17536, 19480, 21920, 31168, 35072, 38960, 43840, 62336, 66719, 77920, 87680, 124672, 133438, 155840, 175360, 266876, 311680, 333595, 533752, 623360, 667190, 1067504, 1334380, 2135008, 2668760, 4270016, 5337520, 8540032, 10675040, 17080064, 21350080, 42700160, 85400320]

約数ペア:

[(1, 85400320), (2, 42700160), (4, 21350080), (5, 17080064), (8, 10675040), (10, 8540032), (16, 5337520), (20, 4270016), (32, 2668760), (40, 2135008), (64, 1334380), (80, 1067504), (128, 667190), (137, 623360), (160, 533752), (256, 333595), (274, 311680), (320, 266876), (487, 175360), (548, 155840), (640, 133438), (685, 124672), (974, 87680), (1096, 77920), (1280, 66719), (1370, 62336), (1948, 43840), (2192, 38960), (2435, 35072), (2740, 31168), (3896, 21920), (4384, 19480), (4870, 17536), (5480, 15584), (7792, 10960), (8768, 9740)]