11971640

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{5647}}^1$

素因数の和:5711

約数の個数: 32

約数和(自身を含む): 27449280

約数和(自身を除く): 15477640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 5647, 11294, 22588, 28235, 45176, 56470, 112940, 225880, 299291, 598582, 1197164, 1496455, 2394328, 2992910, 5985820, 11971640]

約数ペア:

[(1, 11971640), (2, 5985820), (4, 2992910), (5, 2394328), (8, 1496455), (10, 1197164), (20, 598582), (40, 299291), (53, 225880), (106, 112940), (212, 56470), (265, 45176), (424, 28235), (530, 22588), (1060, 11294), (2120, 5647)]