20111202280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{38675389}}^1$

素因数の和:38675413

約数の個数: 32

約数和(自身を含む): 48730991400

約数和(自身を除く): 28619789120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 38675389, 77350778, 154701556, 193376945, 309403112, 386753890, 502780057, 773507780, 1005560114, 1547015560, 2011120228, 2513900285, 4022240456, 5027800570, 10055601140, 20111202280]

約数ペア:

[(1, 20111202280), (2, 10055601140), (4, 5027800570), (5, 4022240456), (8, 2513900285), (10, 2011120228), (13, 1547015560), (20, 1005560114), (26, 773507780), (40, 502780057), (52, 386753890), (65, 309403112), (104, 193376945), (130, 154701556), (260, 77350778), (520, 38675389)]