51639500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{229}}^1$

素因数の和:300

約数の個数: 96

約数和(自身を含む): 126584640

約数和(自身を除く): 74945140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 41, 44, 50, 55, 82, 100, 110, 125, 164, 205, 220, 229, 250, 275, 410, 451, 458, 500, 550, 820, 902, 916, 1025, 1100, 1145, 1375, 1804, 2050, 2255, 2290, 2519, 2750, 4100, 4510, 4580, 5038, 5125, 5500, 5725, 9020, 9389, 10076, 10250, 11275, 11450, 12595, 18778, 20500, 22550, 22900, 25190, 28625, 37556, 45100, 46945, 50380, 56375, 57250, 62975, 93890, 103279, 112750, 114500, 125950, 187780, 206558, 225500, 234725, 251900, 314875, 413116, 469450, 516395, 629750, 938900, 1032790, 1173625, 1259500, 2065580, 2347250, 2581975, 4694500, 5163950, 10327900, 12909875, 25819750, 51639500]

約数ペア:

[(1, 51639500), (2, 25819750), (4, 12909875), (5, 10327900), (10, 5163950), (11, 4694500), (20, 2581975), (22, 2347250), (25, 2065580), (41, 1259500), (44, 1173625), (50, 1032790), (55, 938900), (82, 629750), (100, 516395), (110, 469450), (125, 413116), (164, 314875), (205, 251900), (220, 234725), (229, 225500), (250, 206558), (275, 187780), (410, 125950), (451, 114500), (458, 112750), (500, 103279), (550, 93890), (820, 62975), (902, 57250), (916, 56375), (1025, 50380), (1100, 46945), (1145, 45100), (1375, 37556), (1804, 28625), (2050, 25190), (2255, 22900), (2290, 22550), (2519, 20500), (2750, 18778), (4100, 12595), (4510, 11450), (4580, 11275), (5038, 10250), (5125, 10076), (5500, 9389), (5725, 9020)]