201612560

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{25981}}^1$

素因数の和:26091

約数の個数: 40

約数和(自身を含む): 473599896

約数和(自身を除く): 271987336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 7760, 25981, 51962, 103924, 129905, 207848, 259810, 415696, 519620, 1039240, 2078480, 2520157, 5040314, 10080628, 12600785, 20161256, 25201570, 40322512, 50403140, 100806280, 201612560]

約数ペア:

[(1, 201612560), (2, 100806280), (4, 50403140), (5, 40322512), (8, 25201570), (10, 20161256), (16, 12600785), (20, 10080628), (40, 5040314), (80, 2520157), (97, 2078480), (194, 1039240), (388, 519620), (485, 415696), (776, 259810), (970, 207848), (1552, 129905), (1940, 103924), (3880, 51962), (7760, 25981)]