7242260

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1409}}^1$

素因数の和:1675

約数の個数: 24

約数和(自身を含む): 15278760

約数和(自身を除く): 8036500

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 1409, 2570, 2818, 5140, 5636, 7045, 14090, 28180, 362113, 724226, 1448452, 1810565, 3621130, 7242260]

約数ペア:

[(1, 7242260), (2, 3621130), (4, 1810565), (5, 1448452), (10, 724226), (20, 362113), (257, 28180), (514, 14090), (1028, 7045), (1285, 5636), (1409, 5140), (2570, 2818)]