22240520

素因数分解:

$2^3\times 5^1\times {\mathrm{419}}^1\times {\mathrm{1327}}^1$

素因数の和:1757

約数の個数: 32

約数和(自身を含む): 50198400

約数和(自身を除く): 27957880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 419, 838, 1327, 1676, 2095, 2654, 3352, 4190, 5308, 6635, 8380, 10616, 13270, 16760, 26540, 53080, 556013, 1112026, 2224052, 2780065, 4448104, 5560130, 11120260, 22240520]

約数ペア:

[(1, 22240520), (2, 11120260), (4, 5560130), (5, 4448104), (8, 2780065), (10, 2224052), (20, 1112026), (40, 556013), (419, 53080), (838, 26540), (1327, 16760), (1676, 13270), (2095, 10616), (2654, 8380), (3352, 6635), (4190, 5308)]