25972780

素因数分解:

$2^2\times 5^1\times {\mathrm{1109}}^1\times {\mathrm{1171}}^1$

素因数の和:2289

約数の個数: 24

約数和(自身を含む): 54638640

約数和(自身を除く): 28665860

約数列:

[1, 2, 4, 5, 10, 20, 1109, 1171, 2218, 2342, 4436, 4684, 5545, 5855, 11090, 11710, 22180, 23420, 1298639, 2597278, 5194556, 6493195, 12986390, 25972780]

約数ペア:

[(1, 25972780), (2, 12986390), (4, 6493195), (5, 5194556), (10, 2597278), (20, 1298639), (1109, 23420), (1171, 22180), (2218, 11710), (2342, 11090), (4436, 5855), (4684, 5545)]