13257140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{50989}}^1$

素因数の和:51011

約数の個数: 24

約数和(自身を含む): 29982120

約数和(自身を除く): 16724980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 50989, 101978, 203956, 254945, 509890, 662857, 1019780, 1325714, 2651428, 3314285, 6628570, 13257140]

約数ペア:

[(1, 13257140), (2, 6628570), (4, 3314285), (5, 2651428), (10, 1325714), (13, 1019780), (20, 662857), (26, 509890), (52, 254945), (65, 203956), (130, 101978), (260, 50989)]