28171660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{128053}}^1$

素因数の和:128073

約数の個数: 24

約数和(自身を含む): 64539216

約数和(自身を除く): 36367556

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 128053, 256106, 512212, 640265, 1280530, 1408583, 2561060, 2817166, 5634332, 7042915, 14085830, 28171660]

約数ペア:

[(1, 28171660), (2, 14085830), (4, 7042915), (5, 5634332), (10, 2817166), (11, 2561060), (20, 1408583), (22, 1280530), (44, 640265), (55, 512212), (110, 256106), (220, 128053)]