2641580

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{491}}^1$

素因数の和:769

約数の個数: 24

約数和(自身を含む): 5579280

約数和(自身を除く): 2937700

約数列:

[1, 2, 4, 5, 10, 20, 269, 491, 538, 982, 1076, 1345, 1964, 2455, 2690, 4910, 5380, 9820, 132079, 264158, 528316, 660395, 1320790, 2641580]

約数ペア:

[(1, 2641580), (2, 1320790), (4, 660395), (5, 528316), (10, 264158), (20, 132079), (269, 9820), (491, 5380), (538, 4910), (982, 2690), (1076, 2455), (1345, 1964)]