2810702960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{19727}}^1$

素因数の和:19890

約数の個数: 80

約数和(自身を含む): 7089296256

約数和(自身を除く): 4278593296

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 137, 208, 260, 274, 520, 548, 685, 1040, 1096, 1370, 1781, 2192, 2740, 3562, 5480, 7124, 8905, 10960, 14248, 17810, 19727, 28496, 35620, 39454, 71240, 78908, 98635, 142480, 157816, 197270, 256451, 315632, 394540, 512902, 789080, 1025804, 1282255, 1578160, 2051608, 2564510, 2702599, 4103216, 5129020, 5405198, 10258040, 10810396, 13512995, 20516080, 21620792, 27025990, 35133787, 43241584, 54051980, 70267574, 108103960, 140535148, 175668935, 216207920, 281070296, 351337870, 562140592, 702675740, 1405351480, 2810702960]

約数ペア:

[(1, 2810702960), (2, 1405351480), (4, 702675740), (5, 562140592), (8, 351337870), (10, 281070296), (13, 216207920), (16, 175668935), (20, 140535148), (26, 108103960), (40, 70267574), (52, 54051980), (65, 43241584), (80, 35133787), (104, 27025990), (130, 21620792), (137, 20516080), (208, 13512995), (260, 10810396), (274, 10258040), (520, 5405198), (548, 5129020), (685, 4103216), (1040, 2702599), (1096, 2564510), (1370, 2051608), (1781, 1578160), (2192, 1282255), (2740, 1025804), (3562, 789080), (5480, 512902), (7124, 394540), (8905, 315632), (10960, 256451), (14248, 197270), (17810, 157816), (19727, 142480), (28496, 98635), (35620, 78908), (39454, 71240)]