25205412100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{9697}}^1$

素因数の和:9878

約数の個数: 144

約数和(自身を含む): 63639051840

約数和(自身を除く): 38433639740

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 25, 34, 44, 50, 55, 68, 85, 100, 110, 139, 170, 187, 220, 275, 278, 340, 374, 425, 550, 556, 695, 748, 850, 935, 1100, 1390, 1529, 1700, 1870, 2363, 2780, 3058, 3475, 3740, 4675, 4726, 6116, 6950, 7645, 9350, 9452, 9697, 11815, 13900, 15290, 18700, 19394, 23630, 25993, 30580, 38225, 38788, 47260, 48485, 51986, 59075, 76450, 96970, 103972, 106667, 118150, 129965, 152900, 164849, 193940, 213334, 236300, 242425, 259930, 329698, 426668, 484850, 519860, 533335, 649825, 659396, 824245, 969700, 1066670, 1299650, 1347883, 1648490, 1813339, 2133340, 2599300, 2666675, 2695766, 3296980, 3626678, 4121225, 5333350, 5391532, 6739415, 7253356, 8242450, 9066695, 10666700, 13478830, 14826713, 16484900, 18133390, 22914011, 26957660, 29653426, 33697075, 36266780, 45333475, 45828022, 59306852, 67394150, 74133565, 90666950, 91656044, 114570055, 134788300, 148267130, 181333900, 229140110, 252054121, 296534260, 370667825, 458280220, 504108242, 572850275, 741335650, 1008216484, 1145700550, 1260270605, 1482671300, 2291401100, 2520541210, 5041082420, 6301353025, 12602706050, 25205412100]

約数ペア:

[(1, 25205412100), (2, 12602706050), (4, 6301353025), (5, 5041082420), (10, 2520541210), (11, 2291401100), (17, 1482671300), (20, 1260270605), (22, 1145700550), (25, 1008216484), (34, 741335650), (44, 572850275), (50, 504108242), (55, 458280220), (68, 370667825), (85, 296534260), (100, 252054121), (110, 229140110), (139, 181333900), (170, 148267130), (187, 134788300), (220, 114570055), (275, 91656044), (278, 90666950), (340, 74133565), (374, 67394150), (425, 59306852), (550, 45828022), (556, 45333475), (695, 36266780), (748, 33697075), (850, 29653426), (935, 26957660), (1100, 22914011), (1390, 18133390), (1529, 16484900), (1700, 14826713), (1870, 13478830), (2363, 10666700), (2780, 9066695), (3058, 8242450), (3475, 7253356), (3740, 6739415), (4675, 5391532), (4726, 5333350), (6116, 4121225), (6950, 3626678), (7645, 3296980), (9350, 2695766), (9452, 2666675), (9697, 2599300), (11815, 2133340), (13900, 1813339), (15290, 1648490), (18700, 1347883), (19394, 1299650), (23630, 1066670), (25993, 969700), (30580, 824245), (38225, 659396), (38788, 649825), (47260, 533335), (48485, 519860), (51986, 484850), (59075, 426668), (76450, 329698), (96970, 259930), (103972, 242425), (106667, 236300), (118150, 213334), (129965, 193940), (152900, 164849)]