29275640

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{17851}}^1$

素因数の和:17903

約数の個数: 32

約数和(自身を含む): 67480560

約数和(自身を除く): 38204920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 17851, 35702, 71404, 89255, 142808, 178510, 357020, 714040, 731891, 1463782, 2927564, 3659455, 5855128, 7318910, 14637820, 29275640]

約数ペア:

[(1, 29275640), (2, 14637820), (4, 7318910), (5, 5855128), (8, 3659455), (10, 2927564), (20, 1463782), (40, 731891), (41, 714040), (82, 357020), (164, 178510), (205, 142808), (328, 89255), (410, 71404), (820, 35702), (1640, 17851)]