31307740

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{6091}}^1$

素因数の和:6357

約数の個数: 24

約数和(自身を含む): 66012912

約数和(自身を除く): 34705172

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5140, 6091, 12182, 24364, 30455, 60910, 121820, 1565387, 3130774, 6261548, 7826935, 15653870, 31307740]

約数ペア:

[(1, 31307740), (2, 15653870), (4, 7826935), (5, 6261548), (10, 3130774), (20, 1565387), (257, 121820), (514, 60910), (1028, 30455), (1285, 24364), (2570, 12182), (5140, 6091)]