12447520

素因数分解:

$2^5\times 5^1\times {\mathrm{77797}}^1$

素因数の和:77812

約数の個数: 24

約数和(自身を含む): 29407644

約数和(自身を除く): 16960124

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 77797, 155594, 311188, 388985, 622376, 777970, 1244752, 1555940, 2489504, 3111880, 6223760, 12447520]

約数ペア:

[(1, 12447520), (2, 6223760), (4, 3111880), (5, 2489504), (8, 1555940), (10, 1244752), (16, 777970), (20, 622376), (32, 388985), (40, 311188), (80, 155594), (160, 77797)]