2051267140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7889489}}^1$

素因数の和:7889511

約数の個数: 24

約数和(自身を含む): 4639020120

約数和(自身を除く): 2587752980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 7889489, 15778978, 31557956, 39447445, 78894890, 102563357, 157789780, 205126714, 410253428, 512816785, 1025633570, 2051267140]

約数ペア:

[(1, 2051267140), (2, 1025633570), (4, 512816785), (5, 410253428), (10, 205126714), (13, 157789780), (20, 102563357), (26, 78894890), (52, 39447445), (65, 31557956), (130, 15778978), (260, 7889489)]