13840780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{16879}}^1$

素因数の和:16929

約数の個数: 24

約数和(自身を含む): 29776320

約数和(自身を除く): 15935540

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 16879, 33758, 67516, 84395, 168790, 337580, 692039, 1384078, 2768156, 3460195, 6920390, 13840780]

約数ペア:

[(1, 13840780), (2, 6920390), (4, 3460195), (5, 2768156), (10, 1384078), (20, 692039), (41, 337580), (82, 168790), (164, 84395), (205, 67516), (410, 33758), (820, 16879)]