77885587580

素因数分解:

$2^2\times 5^1\times {\mathrm{2011}}^1\times {\mathrm{1936489}}^1$

素因数の和:1938509

約数の個数: 24

約数和(自身を含む): 163641150960

約数和(自身を除く): 85755563380

約数列:

[1, 2, 4, 5, 10, 20, 2011, 4022, 8044, 10055, 20110, 40220, 1936489, 3872978, 7745956, 9682445, 19364890, 38729780, 3894279379, 7788558758, 15577117516, 19471396895, 38942793790, 77885587580]

約数ペア:

[(1, 77885587580), (2, 38942793790), (4, 19471396895), (5, 15577117516), (10, 7788558758), (20, 3894279379), (2011, 38729780), (4022, 19364890), (8044, 9682445), (10055, 7745956), (20110, 3872978), (40220, 1936489)]