66052220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{254047}}^1$

素因数の和:254069

約数の個数: 24

約数和(自身を含む): 149380224

約数和(自身を除く): 83328004

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 254047, 508094, 1016188, 1270235, 2540470, 3302611, 5080940, 6605222, 13210444, 16513055, 33026110, 66052220]

約数ペア:

[(1, 66052220), (2, 33026110), (4, 16513055), (5, 13210444), (10, 6605222), (13, 5080940), (20, 3302611), (26, 2540470), (52, 1270235), (65, 1016188), (130, 508094), (260, 254047)]