137456540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{528679}}^1$

素因数の和:528701

約数の個数: 24

約数和(自身を含む): 310863840

約数和(自身を除く): 173407300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 528679, 1057358, 2114716, 2643395, 5286790, 6872827, 10573580, 13745654, 27491308, 34364135, 68728270, 137456540]

約数ペア:

[(1, 137456540), (2, 68728270), (4, 34364135), (5, 27491308), (10, 13745654), (13, 10573580), (20, 6872827), (26, 5286790), (52, 2643395), (65, 2114716), (130, 1057358), (260, 528679)]