26646220

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{6763}}^1$

素因数の和:6969

約数の個数: 24

約数和(自身を含む): 56249424

約数和(自身を除く): 29603204

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 6763, 13526, 27052, 33815, 67630, 135260, 1332311, 2664622, 5329244, 6661555, 13323110, 26646220]

約数ペア:

[(1, 26646220), (2, 13323110), (4, 6661555), (5, 5329244), (10, 2664622), (20, 1332311), (197, 135260), (394, 67630), (788, 33815), (985, 27052), (1970, 13526), (3940, 6763)]