25372940

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{5689}}^1$

素因数の和:5921

約数の個数: 24

約数和(自身を含む): 53531520

約数和(自身を除く): 28158580

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4460, 5689, 11378, 22756, 28445, 56890, 113780, 1268647, 2537294, 5074588, 6343235, 12686470, 25372940]

約数ペア:

[(1, 25372940), (2, 12686470), (4, 6343235), (5, 5074588), (10, 2537294), (20, 1268647), (223, 113780), (446, 56890), (892, 28445), (1115, 22756), (2230, 11378), (4460, 5689)]