11261780

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{4051}}^1$

素因数の和:4199

約数の個数: 24

約数和(自身を含む): 23825760

約数和(自身を除く): 12563980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 4051, 8102, 16204, 20255, 40510, 81020, 563089, 1126178, 2252356, 2815445, 5630890, 11261780]

約数ペア:

[(1, 11261780), (2, 5630890), (4, 2815445), (5, 2252356), (10, 1126178), (20, 563089), (139, 81020), (278, 40510), (556, 20255), (695, 16204), (1390, 8102), (2780, 4051)]