22428920

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{8369}}^1$

素因数の和:8447

約数の個数: 32

約数和(自身を含む): 51224400

約数和(自身を除く): 28795480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 8369, 16738, 33476, 41845, 66952, 83690, 167380, 334760, 560723, 1121446, 2242892, 2803615, 4485784, 5607230, 11214460, 22428920]

約数ペア:

[(1, 22428920), (2, 11214460), (4, 5607230), (5, 4485784), (8, 2803615), (10, 2242892), (20, 1121446), (40, 560723), (67, 334760), (134, 167380), (268, 83690), (335, 66952), (536, 41845), (670, 33476), (1340, 16738), (2680, 8369)]