2720920

素因数分解:

$2^3\times 5^1\times {\mathrm{68023}}^1$

素因数の和:68034

約数の個数: 16

約数和(自身を含む): 6122160

約数和(自身を除く): 3401240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 68023, 136046, 272092, 340115, 544184, 680230, 1360460, 2720920]

約数ペア:

[(1, 2720920), (2, 1360460), (4, 680230), (5, 544184), (8, 340115), (10, 272092), (20, 136046), (40, 68023)]