26418640

素因数分解:

$2^4\times 5^1\times {\mathrm{330233}}^1$

素因数の和:330246

約数の個数: 20

約数和(自身を含む): 61423524

約数和(自身を除く): 35004884

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 330233, 660466, 1320932, 1651165, 2641864, 3302330, 5283728, 6604660, 13209320, 26418640]

約数ペア:

[(1, 26418640), (2, 13209320), (4, 6604660), (5, 5283728), (8, 3302330), (10, 2641864), (16, 1651165), (20, 1320932), (40, 660466), (80, 330233)]