13128820

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{5011}}^1$

素因数の和:5151

約数の個数: 24

約数和(自身を含む): 27786528

約数和(自身を除く): 14657708

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 5011, 10022, 20044, 25055, 50110, 100220, 656441, 1312882, 2625764, 3282205, 6564410, 13128820]

約数ペア:

[(1, 13128820), (2, 6564410), (4, 3282205), (5, 2625764), (10, 1312882), (20, 656441), (131, 100220), (262, 50110), (524, 25055), (655, 20044), (1310, 10022), (2620, 5011)]