20161180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{77543}}^1$

素因数の和:77565

約数の個数: 24

約数和(自身を含む): 45595872

約数和(自身を除く): 25434692

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 77543, 155086, 310172, 387715, 775430, 1008059, 1550860, 2016118, 4032236, 5040295, 10080590, 20161180]

約数ペア:

[(1, 20161180), (2, 10080590), (4, 5040295), (5, 4032236), (10, 2016118), (13, 1550860), (20, 1008059), (26, 775430), (52, 387715), (65, 310172), (130, 155086), (260, 77543)]