12289750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:178

約数の個数: 64

約数和(自身を含む): 25945920

約数和(自身を除く): 13656170

約数列:

[1, 2, 5, 10, 11, 22, 25, 41, 50, 55, 82, 109, 110, 125, 205, 218, 250, 275, 410, 451, 545, 550, 902, 1025, 1090, 1199, 1375, 2050, 2255, 2398, 2725, 2750, 4469, 4510, 5125, 5450, 5995, 8938, 10250, 11275, 11990, 13625, 22345, 22550, 27250, 29975, 44690, 49159, 56375, 59950, 98318, 111725, 112750, 149875, 223450, 245795, 299750, 491590, 558625, 1117250, 1228975, 2457950, 6144875, 12289750]

約数ペア:

[(1, 12289750), (2, 6144875), (5, 2457950), (10, 1228975), (11, 1117250), (22, 558625), (25, 491590), (41, 299750), (50, 245795), (55, 223450), (82, 149875), (109, 112750), (110, 111725), (125, 98318), (205, 59950), (218, 56375), (250, 49159), (275, 44690), (410, 29975), (451, 27250), (545, 22550), (550, 22345), (902, 13625), (1025, 11990), (1090, 11275), (1199, 10250), (1375, 8938), (2050, 5995), (2255, 5450), (2398, 5125), (2725, 4510), (2750, 4469)]