49842620

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{17929}}^1$

素因数の和:18077

約数の個数: 24

約数和(自身を含む): 105428400

約数和(自身を除く): 55585780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 17929, 35858, 71716, 89645, 179290, 358580, 2492131, 4984262, 9968524, 12460655, 24921310, 49842620]

約数ペア:

[(1, 49842620), (2, 24921310), (4, 12460655), (5, 9968524), (10, 4984262), (20, 2492131), (139, 358580), (278, 179290), (556, 89645), (695, 71716), (1390, 35858), (2780, 17929)]