13465220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{16421}}^1$

素因数の和:16471

約数の個数: 24

約数和(自身を含む): 28968408

約数和(自身を除く): 15503188

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 16421, 32842, 65684, 82105, 164210, 328420, 673261, 1346522, 2693044, 3366305, 6732610, 13465220]

約数ペア:

[(1, 13465220), (2, 6732610), (4, 3366305), (5, 2693044), (10, 1346522), (20, 673261), (41, 328420), (82, 164210), (164, 82105), (205, 65684), (410, 32842), (820, 16421)]