26979580

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{13907}}^1$

素因数の和:14013

約数の個数: 24

約数和(自身を含む): 57245328

約数和(自身を除く): 30265748

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 13907, 27814, 55628, 69535, 139070, 278140, 1348979, 2697958, 5395916, 6744895, 13489790, 26979580]

約数ペア:

[(1, 26979580), (2, 13489790), (4, 6744895), (5, 5395916), (10, 2697958), (20, 1348979), (97, 278140), (194, 139070), (388, 69535), (485, 55628), (970, 27814), (1940, 13907)]