2720380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{10463}}^1$

素因数の和:10485

約数の個数: 24

約数和(自身を含む): 6152832

約数和(自身を除く): 3432452

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 10463, 20926, 41852, 52315, 104630, 136019, 209260, 272038, 544076, 680095, 1360190, 2720380]

約数ペア:

[(1, 2720380), (2, 1360190), (4, 680095), (5, 544076), (10, 272038), (13, 209260), (20, 136019), (26, 104630), (52, 52315), (65, 41852), (130, 20926), (260, 10463)]