11290520

素因数分解:

$2^3\times 5^1\times {\mathrm{277}}^1\times {\mathrm{1019}}^1$

素因数の和:1307

約数の個数: 32

約数和(自身を含む): 25520400

約数和(自身を除く): 14229880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 277, 554, 1019, 1108, 1385, 2038, 2216, 2770, 4076, 5095, 5540, 8152, 10190, 11080, 20380, 40760, 282263, 564526, 1129052, 1411315, 2258104, 2822630, 5645260, 11290520]

約数ペア:

[(1, 11290520), (2, 5645260), (4, 2822630), (5, 2258104), (8, 1411315), (10, 1129052), (20, 564526), (40, 282263), (277, 40760), (554, 20380), (1019, 11080), (1108, 10190), (1385, 8152), (2038, 5540), (2216, 5095), (2770, 4076)]