2478399920

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1\times {\mathrm{2939}}^1$

素因数の和:3162

約数の個数: 80

約数和(自身を含む): 5879623680

約数和(自身を除く): 3401223760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 127, 166, 254, 332, 415, 508, 635, 664, 830, 1016, 1270, 1328, 1660, 2032, 2540, 2939, 3320, 5080, 5878, 6640, 10160, 10541, 11756, 14695, 21082, 23512, 29390, 42164, 47024, 52705, 58780, 84328, 105410, 117560, 168656, 210820, 235120, 243937, 373253, 421640, 487874, 746506, 843280, 975748, 1219685, 1493012, 1866265, 1951496, 2439370, 2986024, 3732530, 3902992, 4878740, 5972048, 7465060, 9757480, 14930120, 19514960, 29860240, 30979999, 61959998, 123919996, 154899995, 247839992, 309799990, 495679984, 619599980, 1239199960, 2478399920]

約数ペア:

[(1, 2478399920), (2, 1239199960), (4, 619599980), (5, 495679984), (8, 309799990), (10, 247839992), (16, 154899995), (20, 123919996), (40, 61959998), (80, 30979999), (83, 29860240), (127, 19514960), (166, 14930120), (254, 9757480), (332, 7465060), (415, 5972048), (508, 4878740), (635, 3902992), (664, 3732530), (830, 2986024), (1016, 2439370), (1270, 1951496), (1328, 1866265), (1660, 1493012), (2032, 1219685), (2540, 975748), (2939, 843280), (3320, 746506), (5080, 487874), (5878, 421640), (6640, 373253), (10160, 243937), (10541, 235120), (11756, 210820), (14695, 168656), (21082, 117560), (23512, 105410), (29390, 84328), (42164, 58780), (47024, 52705)]