26861020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{397}}^1$

素因数の和:622

約数の個数: 48

約数和(自身を含む): 60177600

約数和(自身を除く): 33316580

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 199, 340, 397, 398, 794, 796, 995, 1588, 1985, 1990, 3383, 3970, 3980, 6749, 6766, 7940, 13498, 13532, 16915, 26996, 33745, 33830, 67490, 67660, 79003, 134980, 158006, 316012, 395015, 790030, 1343051, 1580060, 2686102, 5372204, 6715255, 13430510, 26861020]

約数ペア:

[(1, 26861020), (2, 13430510), (4, 6715255), (5, 5372204), (10, 2686102), (17, 1580060), (20, 1343051), (34, 790030), (68, 395015), (85, 316012), (170, 158006), (199, 134980), (340, 79003), (397, 67660), (398, 67490), (794, 33830), (796, 33745), (995, 26996), (1588, 16915), (1985, 13532), (1990, 13498), (3383, 7940), (3970, 6766), (3980, 6749)]