138681140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{533389}}^1$

素因数の和:533411

約数の個数: 24

約数和(自身を含む): 313633320

約数和(自身を除く): 174952180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 533389, 1066778, 2133556, 2666945, 5333890, 6934057, 10667780, 13868114, 27736228, 34670285, 69340570, 138681140]

約数ペア:

[(1, 138681140), (2, 69340570), (4, 34670285), (5, 27736228), (10, 13868114), (13, 10667780), (20, 6934057), (26, 5333890), (52, 2666945), (65, 2133556), (130, 1066778), (260, 533389)]