65305420

素因数分解:

$2^2\times 5^1\times {\mathrm{1511}}^1\times {\mathrm{2161}}^1$

素因数の和:3681

約数の個数: 24

約数和(自身を含む): 137295648

約数和(自身を除く): 71990228

約数列:

[1, 2, 4, 5, 10, 20, 1511, 2161, 3022, 4322, 6044, 7555, 8644, 10805, 15110, 21610, 30220, 43220, 3265271, 6530542, 13061084, 16326355, 32652710, 65305420]

約数ペア:

[(1, 65305420), (2, 32652710), (4, 16326355), (5, 13061084), (10, 6530542), (20, 3265271), (1511, 43220), (2161, 30220), (3022, 21610), (4322, 15110), (6044, 10805), (7555, 8644)]