25703120

素因数分解:

$2^4\times 5^1\times {\mathrm{321289}}^1$

素因数の和:321302

約数の個数: 20

約数和(自身を含む): 59759940

約数和(自身を除く): 34056820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 321289, 642578, 1285156, 1606445, 2570312, 3212890, 5140624, 6425780, 12851560, 25703120]

約数ペア:

[(1, 25703120), (2, 12851560), (4, 6425780), (5, 5140624), (8, 3212890), (10, 2570312), (16, 1606445), (20, 1285156), (40, 642578), (80, 321289)]