20430813440

素因数分解:

$2^8\times 5^1\times {\mathrm{2293}}^1\times {\mathrm{6961}}^1$

素因数の和:9275

約数の個数: 72

約数和(自身を含む): 48966558648

約数和(自身を除く): 28535745208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 2293, 4586, 6961, 9172, 11465, 13922, 18344, 22930, 27844, 34805, 36688, 45860, 55688, 69610, 73376, 91720, 111376, 139220, 146752, 183440, 222752, 278440, 293504, 366880, 445504, 556880, 587008, 733760, 891008, 1113760, 1467520, 1782016, 2227520, 2935040, 4455040, 8910080, 15961573, 31923146, 63846292, 79807865, 127692584, 159615730, 255385168, 319231460, 510770336, 638462920, 1021540672, 1276925840, 2043081344, 2553851680, 4086162688, 5107703360, 10215406720, 20430813440]

約数ペア:

[(1, 20430813440), (2, 10215406720), (4, 5107703360), (5, 4086162688), (8, 2553851680), (10, 2043081344), (16, 1276925840), (20, 1021540672), (32, 638462920), (40, 510770336), (64, 319231460), (80, 255385168), (128, 159615730), (160, 127692584), (256, 79807865), (320, 63846292), (640, 31923146), (1280, 15961573), (2293, 8910080), (4586, 4455040), (6961, 2935040), (9172, 2227520), (11465, 1782016), (13922, 1467520), (18344, 1113760), (22930, 891008), (27844, 733760), (34805, 587008), (36688, 556880), (45860, 445504), (55688, 366880), (69610, 293504), (73376, 278440), (91720, 222752), (111376, 183440), (139220, 146752)]