25861490

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{439}}^1$

素因数の和:626

約数の個数: 32

約数和(自身を含む): 48090240

約数和(自身を除く): 22228750

約数列:

[1, 2, 5, 10, 43, 86, 137, 215, 274, 430, 439, 685, 878, 1370, 2195, 4390, 5891, 11782, 18877, 29455, 37754, 58910, 60143, 94385, 120286, 188770, 300715, 601430, 2586149, 5172298, 12930745, 25861490]

約数ペア:

[(1, 25861490), (2, 12930745), (5, 5172298), (10, 2586149), (43, 601430), (86, 300715), (137, 188770), (215, 120286), (274, 94385), (430, 60143), (439, 58910), (685, 37754), (878, 29455), (1370, 18877), (2195, 11782), (4390, 5891)]