21699918080

素因数分解:

$2^8\times 5^1\times {\mathrm{2351}}^1\times {\mathrm{7211}}^1$

素因数の和:9583

約数の個数: 72

約数和(自身を含む): 52007405184

約数和(自身を除く): 30307487104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 2351, 4702, 7211, 9404, 11755, 14422, 18808, 23510, 28844, 36055, 37616, 47020, 57688, 72110, 75232, 94040, 115376, 144220, 150464, 188080, 230752, 288440, 300928, 376160, 461504, 576880, 601856, 752320, 923008, 1153760, 1504640, 1846016, 2307520, 3009280, 4615040, 9230080, 16953061, 33906122, 67812244, 84765305, 135624488, 169530610, 271248976, 339061220, 542497952, 678122440, 1084995904, 1356244880, 2169991808, 2712489760, 4339983616, 5424979520, 10849959040, 21699918080]

約数ペア:

[(1, 21699918080), (2, 10849959040), (4, 5424979520), (5, 4339983616), (8, 2712489760), (10, 2169991808), (16, 1356244880), (20, 1084995904), (32, 678122440), (40, 542497952), (64, 339061220), (80, 271248976), (128, 169530610), (160, 135624488), (256, 84765305), (320, 67812244), (640, 33906122), (1280, 16953061), (2351, 9230080), (4702, 4615040), (7211, 3009280), (9404, 2307520), (11755, 1846016), (14422, 1504640), (18808, 1153760), (23510, 923008), (28844, 752320), (36055, 601856), (37616, 576880), (47020, 461504), (57688, 376160), (72110, 300928), (75232, 288440), (94040, 230752), (115376, 188080), (144220, 150464)]