11228540

素因数分解:

$2^2\times 5^1\times {\mathrm{509}}^1\times {\mathrm{1103}}^1$

素因数の和:1621

約数の個数: 24

約数和(自身を含む): 23647680

約数和(自身を除く): 12419140

約数列:

[1, 2, 4, 5, 10, 20, 509, 1018, 1103, 2036, 2206, 2545, 4412, 5090, 5515, 10180, 11030, 22060, 561427, 1122854, 2245708, 2807135, 5614270, 11228540]

約数ペア:

[(1, 11228540), (2, 5614270), (4, 2807135), (5, 2245708), (10, 1122854), (20, 561427), (509, 22060), (1018, 11030), (1103, 10180), (2036, 5515), (2206, 5090), (2545, 4412)]