8464220

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{4363}}^1$

素因数の和:4469

約数の個数: 24

約数和(自身を含む): 17962224

約数和(自身を除く): 9498004

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 4363, 8726, 17452, 21815, 43630, 87260, 423211, 846422, 1692844, 2116055, 4232110, 8464220]

約数ペア:

[(1, 8464220), (2, 4232110), (4, 2116055), (5, 1692844), (10, 846422), (20, 423211), (97, 87260), (194, 43630), (388, 21815), (485, 17452), (970, 8726), (1940, 4363)]