126883760

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:390

約数の個数: 80

約数和(自身を含む): 303168096

約数和(自身を除く): 176284336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 97, 166, 194, 197, 332, 388, 394, 415, 485, 664, 776, 788, 830, 970, 985, 1328, 1552, 1576, 1660, 1940, 1970, 3152, 3320, 3880, 3940, 6640, 7760, 7880, 8051, 15760, 16102, 16351, 19109, 32204, 32702, 38218, 40255, 64408, 65404, 76436, 80510, 81755, 95545, 128816, 130808, 152872, 161020, 163510, 191090, 261616, 305744, 322040, 327020, 382180, 644080, 654040, 764360, 1308080, 1528720, 1586047, 3172094, 6344188, 7930235, 12688376, 15860470, 25376752, 31720940, 63441880, 126883760]

約数ペア:

[(1, 126883760), (2, 63441880), (4, 31720940), (5, 25376752), (8, 15860470), (10, 12688376), (16, 7930235), (20, 6344188), (40, 3172094), (80, 1586047), (83, 1528720), (97, 1308080), (166, 764360), (194, 654040), (197, 644080), (332, 382180), (388, 327020), (394, 322040), (415, 305744), (485, 261616), (664, 191090), (776, 163510), (788, 161020), (830, 152872), (970, 130808), (985, 128816), (1328, 95545), (1552, 81755), (1576, 80510), (1660, 76436), (1940, 65404), (1970, 64408), (3152, 40255), (3320, 38218), (3880, 32702), (3940, 32204), (6640, 19109), (7760, 16351), (7880, 16102), (8051, 15760)]