25752297520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{394007}}^1$

素因数の和:394082

約数の個数: 80

約数和(自身を含む): 64491229440

約数和(自身を除く): 38738931920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 43, 76, 80, 86, 95, 152, 172, 190, 215, 304, 344, 380, 430, 688, 760, 817, 860, 1520, 1634, 1720, 3268, 3440, 4085, 6536, 8170, 13072, 16340, 32680, 65360, 394007, 788014, 1576028, 1970035, 3152056, 3940070, 6304112, 7486133, 7880140, 14972266, 15760280, 16942301, 29944532, 31520560, 33884602, 37430665, 59889064, 67769204, 74861330, 84711505, 119778128, 135538408, 149722660, 169423010, 271076816, 299445320, 321903719, 338846020, 598890640, 643807438, 677692040, 1287614876, 1355384080, 1609518595, 2575229752, 3219037190, 5150459504, 6438074380, 12876148760, 25752297520]

約数ペア:

[(1, 25752297520), (2, 12876148760), (4, 6438074380), (5, 5150459504), (8, 3219037190), (10, 2575229752), (16, 1609518595), (19, 1355384080), (20, 1287614876), (38, 677692040), (40, 643807438), (43, 598890640), (76, 338846020), (80, 321903719), (86, 299445320), (95, 271076816), (152, 169423010), (172, 149722660), (190, 135538408), (215, 119778128), (304, 84711505), (344, 74861330), (380, 67769204), (430, 59889064), (688, 37430665), (760, 33884602), (817, 31520560), (860, 29944532), (1520, 16942301), (1634, 15760280), (1720, 14972266), (3268, 7880140), (3440, 7486133), (4085, 6304112), (6536, 3940070), (8170, 3152056), (13072, 1970035), (16340, 1576028), (32680, 788014), (65360, 394007)]