13285640

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{8101}}^1$

素因数の和:8153

約数の個数: 32

約数和(自身を含む): 30625560

約数和(自身を除く): 17339920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 8101, 16202, 32404, 40505, 64808, 81010, 162020, 324040, 332141, 664282, 1328564, 1660705, 2657128, 3321410, 6642820, 13285640]

約数ペア:

[(1, 13285640), (2, 6642820), (4, 3321410), (5, 2657128), (8, 1660705), (10, 1328564), (20, 664282), (40, 332141), (41, 324040), (82, 162020), (164, 81010), (205, 64808), (328, 40505), (410, 32404), (820, 16202), (1640, 8101)]