11992720

素因数分解:

$2^4\times 5^1\times {\mathrm{149909}}^1$

素因数の和:149922

約数の個数: 20

約数和(自身を含む): 27883260

約数和(自身を除く): 15890540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 149909, 299818, 599636, 749545, 1199272, 1499090, 2398544, 2998180, 5996360, 11992720]

約数ペア:

[(1, 11992720), (2, 5996360), (4, 2998180), (5, 2398544), (8, 1499090), (10, 1199272), (16, 749545), (20, 599636), (40, 299818), (80, 149909)]