2040241520

素因数分解:

$2^4\times 5^1\times {\mathrm{25503019}}^1$

素因数の和:25503032

約数の個数: 20

約数和(自身を含む): 4743561720

約数和(自身を除く): 2703320200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25503019, 51006038, 102012076, 127515095, 204024152, 255030190, 408048304, 510060380, 1020120760, 2040241520]

約数ペア:

[(1, 2040241520), (2, 1020120760), (4, 510060380), (5, 408048304), (8, 255030190), (10, 204024152), (16, 127515095), (20, 102012076), (40, 51006038), (80, 25503019)]