13807160

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{8419}}^1$

素因数の和:8471

約数の個数: 32

約数和(自身を含む): 31827600

約数和(自身を除く): 18020440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 8419, 16838, 33676, 42095, 67352, 84190, 168380, 336760, 345179, 690358, 1380716, 1725895, 2761432, 3451790, 6903580, 13807160]

約数ペア:

[(1, 13807160), (2, 6903580), (4, 3451790), (5, 2761432), (8, 1725895), (10, 1380716), (20, 690358), (40, 345179), (41, 336760), (82, 168380), (164, 84190), (205, 67352), (328, 42095), (410, 33676), (820, 16838), (1640, 8419)]