2019965440

素因数分解:

$2^9\times 5^1\times {\mathrm{293}}^1\times {\mathrm{2693}}^1$

素因数の和:3009

約数の個数: 80

約数和(自身を含む): 4861516968

約数和(自身を除く): 2841551528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 293, 320, 512, 586, 640, 1172, 1280, 1465, 2344, 2560, 2693, 2930, 4688, 5386, 5860, 9376, 10772, 11720, 13465, 18752, 21544, 23440, 26930, 37504, 43088, 46880, 53860, 75008, 86176, 93760, 107720, 150016, 172352, 187520, 215440, 344704, 375040, 430880, 689408, 750080, 789049, 861760, 1378816, 1578098, 1723520, 3156196, 3447040, 3945245, 6312392, 6894080, 7890490, 12624784, 15780980, 25249568, 31561960, 50499136, 63123920, 100998272, 126247840, 201996544, 252495680, 403993088, 504991360, 1009982720, 2019965440]

約数ペア:

[(1, 2019965440), (2, 1009982720), (4, 504991360), (5, 403993088), (8, 252495680), (10, 201996544), (16, 126247840), (20, 100998272), (32, 63123920), (40, 50499136), (64, 31561960), (80, 25249568), (128, 15780980), (160, 12624784), (256, 7890490), (293, 6894080), (320, 6312392), (512, 3945245), (586, 3447040), (640, 3156196), (1172, 1723520), (1280, 1578098), (1465, 1378816), (2344, 861760), (2560, 789049), (2693, 750080), (2930, 689408), (4688, 430880), (5386, 375040), (5860, 344704), (9376, 215440), (10772, 187520), (11720, 172352), (13465, 150016), (18752, 107720), (21544, 93760), (23440, 86176), (26930, 75008), (37504, 53860), (43088, 46880)]