201725080

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{51991}}^1$

素因数の和:52099

約数の個数: 32

約数和(自身を含む): 458569440

約数和(自身を除く): 256844360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 51991, 103982, 207964, 259955, 415928, 519910, 1039820, 2079640, 5043127, 10086254, 20172508, 25215635, 40345016, 50431270, 100862540, 201725080]

約数ペア:

[(1, 201725080), (2, 100862540), (4, 50431270), (5, 40345016), (8, 25215635), (10, 20172508), (20, 10086254), (40, 5043127), (97, 2079640), (194, 1039820), (388, 519910), (485, 415928), (776, 259955), (970, 207964), (1940, 103982), (3880, 51991)]