26398420

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{4217}}^1$

素因数の和:4539

約数の個数: 24

約数和(自身を含む): 55626984

約数和(自身を除く): 29228564

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1565, 3130, 4217, 6260, 8434, 16868, 21085, 42170, 84340, 1319921, 2639842, 5279684, 6599605, 13199210, 26398420]

約数ペア:

[(1, 26398420), (2, 13199210), (4, 6599605), (5, 5279684), (10, 2639842), (20, 1319921), (313, 84340), (626, 42170), (1252, 21085), (1565, 16868), (3130, 8434), (4217, 6260)]