133556540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{513679}}^1$

素因数の和:513701

約数の個数: 24

約数和(自身を含む): 302043840

約数和(自身を除く): 168487300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 513679, 1027358, 2054716, 2568395, 5136790, 6677827, 10273580, 13355654, 26711308, 33389135, 66778270, 133556540]

約数ペア:

[(1, 133556540), (2, 66778270), (4, 33389135), (5, 26711308), (10, 13355654), (13, 10273580), (20, 6677827), (26, 5136790), (52, 2568395), (65, 2054716), (130, 1027358), (260, 513679)]