42784760

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{11027}}^1$

素因数の和:11135

約数の個数: 32

約数和(自身を含む): 97266960

約数和(自身を除く): 54482200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 11027, 22054, 44108, 55135, 88216, 110270, 220540, 441080, 1069619, 2139238, 4278476, 5348095, 8556952, 10696190, 21392380, 42784760]

約数ペア:

[(1, 42784760), (2, 21392380), (4, 10696190), (5, 8556952), (8, 5348095), (10, 4278476), (20, 2139238), (40, 1069619), (97, 441080), (194, 220540), (388, 110270), (485, 88216), (776, 55135), (970, 44108), (1940, 22054), (3880, 11027)]