11256220

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{4049}}^1$

素因数の和:4197

約数の個数: 24

約数和(自身を含む): 23814000

約数和(自身を除く): 12557780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 4049, 8098, 16196, 20245, 40490, 80980, 562811, 1125622, 2251244, 2814055, 5628110, 11256220]

約数ペア:

[(1, 11256220), (2, 5628110), (4, 2814055), (5, 2251244), (10, 1125622), (20, 562811), (139, 80980), (278, 40490), (556, 20245), (695, 16196), (1390, 8098), (2780, 4049)]