129069620

素因数分解:

$2^2\times 5^1\times {\mathrm{1511}}^1\times {\mathrm{4271}}^1$

素因数の和:5791

約数の個数: 24

約数和(自身を含む): 271289088

約数和(自身を除く): 142219468

約数列:

[1, 2, 4, 5, 10, 20, 1511, 3022, 4271, 6044, 7555, 8542, 15110, 17084, 21355, 30220, 42710, 85420, 6453481, 12906962, 25813924, 32267405, 64534810, 129069620]

約数ペア:

[(1, 129069620), (2, 64534810), (4, 32267405), (5, 25813924), (10, 12906962), (20, 6453481), (1511, 85420), (3022, 42710), (4271, 30220), (6044, 21355), (7555, 17084), (8542, 15110)]