1279467020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4921027}}^1$

素因数の和:4921049

約数の個数: 24

約数和(自身を含む): 2893564464

約数和(自身を除く): 1614097444

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 4921027, 9842054, 19684108, 24605135, 49210270, 63973351, 98420540, 127946702, 255893404, 319866755, 639733510, 1279467020]

約数ペア:

[(1, 1279467020), (2, 639733510), (4, 319866755), (5, 255893404), (10, 127946702), (13, 98420540), (20, 63973351), (26, 49210270), (52, 24605135), (65, 19684108), (130, 9842054), (260, 4921027)]