9726579140

素因数分解:

$2^2\times 5^1\times {\mathrm{1373}}^1\times {\mathrm{354209}}^1$

素因数の和:355591

約数の個数: 24

約数和(自身を含む): 20440750680

約数和(自身を除く): 10714171540

約数列:

[1, 2, 4, 5, 10, 20, 1373, 2746, 5492, 6865, 13730, 27460, 354209, 708418, 1416836, 1771045, 3542090, 7084180, 486328957, 972657914, 1945315828, 2431644785, 4863289570, 9726579140]

約数ペア:

[(1, 9726579140), (2, 4863289570), (4, 2431644785), (5, 1945315828), (10, 972657914), (20, 486328957), (1373, 7084180), (2746, 3542090), (5492, 1771045), (6865, 1416836), (13730, 708418), (27460, 354209)]