27531520

素因数分解:

$2^8\times 5^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:315

約数の個数: 72

約数和(自身を含む): 66851064

約数和(自身を除く): 39319544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 137, 157, 160, 256, 274, 314, 320, 548, 628, 640, 685, 785, 1096, 1256, 1280, 1370, 1570, 2192, 2512, 2740, 3140, 4384, 5024, 5480, 6280, 8768, 10048, 10960, 12560, 17536, 20096, 21509, 21920, 25120, 35072, 40192, 43018, 43840, 50240, 86036, 87680, 100480, 107545, 172072, 175360, 200960, 215090, 344144, 430180, 688288, 860360, 1376576, 1720720, 2753152, 3441440, 5506304, 6882880, 13765760, 27531520]

約数ペア:

[(1, 27531520), (2, 13765760), (4, 6882880), (5, 5506304), (8, 3441440), (10, 2753152), (16, 1720720), (20, 1376576), (32, 860360), (40, 688288), (64, 430180), (80, 344144), (128, 215090), (137, 200960), (157, 175360), (160, 172072), (256, 107545), (274, 100480), (314, 87680), (320, 86036), (548, 50240), (628, 43840), (640, 43018), (685, 40192), (785, 35072), (1096, 25120), (1256, 21920), (1280, 21509), (1370, 20096), (1570, 17536), (2192, 12560), (2512, 10960), (2740, 10048), (3140, 8768), (4384, 6280), (5024, 5480)]