25113560

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{3187}}^1$

素因数の和:3395

約数の個数: 32

約数和(自身を含む): 56810160

約数和(自身を除く): 31696600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3187, 3940, 6374, 7880, 12748, 15935, 25496, 31870, 63740, 127480, 627839, 1255678, 2511356, 3139195, 5022712, 6278390, 12556780, 25113560]

約数ペア:

[(1, 25113560), (2, 12556780), (4, 6278390), (5, 5022712), (8, 3139195), (10, 2511356), (20, 1255678), (40, 627839), (197, 127480), (394, 63740), (788, 31870), (985, 25496), (1576, 15935), (1970, 12748), (3187, 7880), (3940, 6374)]