201150820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{773657}}^1$

素因数の和:773679

約数の個数: 24

約数和(自身を含む): 454910904

約数和(自身を除く): 253760084

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 773657, 1547314, 3094628, 3868285, 7736570, 10057541, 15473140, 20115082, 40230164, 50287705, 100575410, 201150820]

約数ペア:

[(1, 201150820), (2, 100575410), (4, 50287705), (5, 40230164), (10, 20115082), (13, 15473140), (20, 10057541), (26, 7736570), (52, 3868285), (65, 3094628), (130, 1547314), (260, 773657)]