12454220

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{2423}}^1$

素因数の和:2689

約数の個数: 24

約数和(自身を含む): 26266464

約数和(自身を除く): 13812244

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2423, 2570, 4846, 5140, 9692, 12115, 24230, 48460, 622711, 1245422, 2490844, 3113555, 6227110, 12454220]

約数ペア:

[(1, 12454220), (2, 6227110), (4, 3113555), (5, 2490844), (10, 1245422), (20, 622711), (257, 48460), (514, 24230), (1028, 12115), (1285, 9692), (2423, 5140), (2570, 4846)]