27253580

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:410

約数の個数: 48

約数和(自身を含む): 59058720

約数和(自身を除く): 31805140

約数列:

[1, 2, 4, 5, 10, 20, 61, 89, 122, 178, 244, 251, 305, 356, 445, 502, 610, 890, 1004, 1220, 1255, 1780, 2510, 5020, 5429, 10858, 15311, 21716, 22339, 27145, 30622, 44678, 54290, 61244, 76555, 89356, 108580, 111695, 153110, 223390, 306220, 446780, 1362679, 2725358, 5450716, 6813395, 13626790, 27253580]

約数ペア:

[(1, 27253580), (2, 13626790), (4, 6813395), (5, 5450716), (10, 2725358), (20, 1362679), (61, 446780), (89, 306220), (122, 223390), (178, 153110), (244, 111695), (251, 108580), (305, 89356), (356, 76555), (445, 61244), (502, 54290), (610, 44678), (890, 30622), (1004, 27145), (1220, 22339), (1255, 21716), (1780, 15311), (2510, 10858), (5020, 5429)]