2016906006520

素因数分解:

$2^3\times 5^1\times {\mathrm{25657}}^1\times {\mathrm{1965259}}^1$

素因数の和:1990927

約数の個数: 32

約数和(自身を含む): 4538217697200

約数和(自身を除く): 2521311690680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 25657, 51314, 102628, 128285, 205256, 256570, 513140, 1026280, 1965259, 3930518, 7861036, 9826295, 15722072, 19652590, 39305180, 78610360, 50422650163, 100845300326, 201690600652, 252113250815, 403381201304, 504226501630, 1008453003260, 2016906006520]

約数ペア:

[(1, 2016906006520), (2, 1008453003260), (4, 504226501630), (5, 403381201304), (8, 252113250815), (10, 201690600652), (20, 100845300326), (40, 50422650163), (25657, 78610360), (51314, 39305180), (102628, 19652590), (128285, 15722072), (205256, 9826295), (256570, 7861036), (513140, 3930518), (1026280, 1965259)]