66950260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257501}}^1$

素因数の和:257523

約数の個数: 24

約数和(自身を含む): 151411176

約数和(自身を除く): 84460916

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 257501, 515002, 1030004, 1287505, 2575010, 3347513, 5150020, 6695026, 13390052, 16737565, 33475130, 66950260]

約数ペア:

[(1, 66950260), (2, 33475130), (4, 16737565), (5, 13390052), (10, 6695026), (13, 5150020), (20, 3347513), (26, 2575010), (52, 1287505), (65, 1030004), (130, 515002), (260, 257501)]