130864120

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{18911}}^1$

素因数の和:19095

約数の個数: 32

約数和(自身を含む): 296161920

約数和(自身を除く): 165297800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 3460, 6920, 18911, 37822, 75644, 94555, 151288, 189110, 378220, 756440, 3271603, 6543206, 13086412, 16358015, 26172824, 32716030, 65432060, 130864120]

約数ペア:

[(1, 130864120), (2, 65432060), (4, 32716030), (5, 26172824), (8, 16358015), (10, 13086412), (20, 6543206), (40, 3271603), (173, 756440), (346, 378220), (692, 189110), (865, 151288), (1384, 94555), (1730, 75644), (3460, 37822), (6920, 18911)]