51627940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1493}}^1$

素因数の和:1541

約数の個数: 96

約数和(自身を含む): 140555520

約数和(自身を除く): 88927580

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 38, 52, 65, 70, 76, 91, 95, 130, 133, 140, 182, 190, 247, 260, 266, 364, 380, 455, 494, 532, 665, 910, 988, 1235, 1330, 1493, 1729, 1820, 2470, 2660, 2986, 3458, 4940, 5972, 6916, 7465, 8645, 10451, 14930, 17290, 19409, 20902, 28367, 29860, 34580, 38818, 41804, 52255, 56734, 77636, 97045, 104510, 113468, 135863, 141835, 194090, 198569, 209020, 271726, 283670, 368771, 388180, 397138, 543452, 567340, 679315, 737542, 794276, 992845, 1358630, 1475084, 1843855, 1985690, 2581397, 2717260, 3687710, 3971380, 5162794, 7375420, 10325588, 12906985, 25813970, 51627940]

約数ペア:

[(1, 51627940), (2, 25813970), (4, 12906985), (5, 10325588), (7, 7375420), (10, 5162794), (13, 3971380), (14, 3687710), (19, 2717260), (20, 2581397), (26, 1985690), (28, 1843855), (35, 1475084), (38, 1358630), (52, 992845), (65, 794276), (70, 737542), (76, 679315), (91, 567340), (95, 543452), (130, 397138), (133, 388180), (140, 368771), (182, 283670), (190, 271726), (247, 209020), (260, 198569), (266, 194090), (364, 141835), (380, 135863), (455, 113468), (494, 104510), (532, 97045), (665, 77636), (910, 56734), (988, 52255), (1235, 41804), (1330, 38818), (1493, 34580), (1729, 29860), (1820, 28367), (2470, 20902), (2660, 19409), (2986, 17290), (3458, 14930), (4940, 10451), (5972, 8645), (6916, 7465)]