31290580

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{68023}}^1$

素因数の和:68055

約数の個数: 24

約数和(自身を含む): 68568192

約数和(自身を除く): 37277612

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 68023, 136046, 272092, 340115, 680230, 1360460, 1564529, 3129058, 6258116, 7822645, 15645290, 31290580]

約数ペア:

[(1, 31290580), (2, 15645290), (4, 7822645), (5, 6258116), (10, 3129058), (20, 1564529), (23, 1360460), (46, 680230), (92, 340115), (115, 272092), (230, 136046), (460, 68023)]