256934080

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^2\times {\mathrm{4751}}^1$

素因数の和:4794

約数の個数: 84

約数和(自身を含む): 662647392

約数和(自身を除く): 405713312

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 169, 208, 260, 320, 338, 416, 520, 676, 832, 845, 1040, 1352, 1690, 2080, 2704, 3380, 4160, 4751, 5408, 6760, 9502, 10816, 13520, 19004, 23755, 27040, 38008, 47510, 54080, 61763, 76016, 95020, 123526, 152032, 190040, 247052, 304064, 308815, 380080, 494104, 617630, 760160, 802919, 988208, 1235260, 1520320, 1605838, 1976416, 2470520, 3211676, 3952832, 4014595, 4941040, 6423352, 8029190, 9882080, 12846704, 16058380, 19764160, 25693408, 32116760, 51386816, 64233520, 128467040, 256934080]

約数ペア:

[(1, 256934080), (2, 128467040), (4, 64233520), (5, 51386816), (8, 32116760), (10, 25693408), (13, 19764160), (16, 16058380), (20, 12846704), (26, 9882080), (32, 8029190), (40, 6423352), (52, 4941040), (64, 4014595), (65, 3952832), (80, 3211676), (104, 2470520), (130, 1976416), (160, 1605838), (169, 1520320), (208, 1235260), (260, 988208), (320, 802919), (338, 760160), (416, 617630), (520, 494104), (676, 380080), (832, 308815), (845, 304064), (1040, 247052), (1352, 190040), (1690, 152032), (2080, 123526), (2704, 95020), (3380, 76016), (4160, 61763), (4751, 54080), (5408, 47510), (6760, 38008), (9502, 27040), (10816, 23755), (13520, 19004)]