27493840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:380

約数の個数: 80

約数和(自身を含む): 70531200

約数和(自身を除く): 43037360

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 157, 176, 199, 220, 314, 398, 440, 628, 785, 796, 880, 995, 1256, 1570, 1592, 1727, 1990, 2189, 2512, 3140, 3184, 3454, 3980, 4378, 6280, 6908, 7960, 8635, 8756, 10945, 12560, 13816, 15920, 17270, 17512, 21890, 27632, 31243, 34540, 35024, 43780, 62486, 69080, 87560, 124972, 138160, 156215, 175120, 249944, 312430, 343673, 499888, 624860, 687346, 1249720, 1374692, 1718365, 2499440, 2749384, 3436730, 5498768, 6873460, 13746920, 27493840]

約数ペア:

[(1, 27493840), (2, 13746920), (4, 6873460), (5, 5498768), (8, 3436730), (10, 2749384), (11, 2499440), (16, 1718365), (20, 1374692), (22, 1249720), (40, 687346), (44, 624860), (55, 499888), (80, 343673), (88, 312430), (110, 249944), (157, 175120), (176, 156215), (199, 138160), (220, 124972), (314, 87560), (398, 69080), (440, 62486), (628, 43780), (785, 35024), (796, 34540), (880, 31243), (995, 27632), (1256, 21890), (1570, 17512), (1592, 17270), (1727, 15920), (1990, 13816), (2189, 12560), (2512, 10945), (3140, 8756), (3184, 8635), (3454, 7960), (3980, 6908), (4378, 6280)]