28310260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{128683}}^1$

素因数の和:128703

約数の個数: 24

約数和(自身を含む): 64856736

約数和(自身を除く): 36546476

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 128683, 257366, 514732, 643415, 1286830, 1415513, 2573660, 2831026, 5662052, 7077565, 14155130, 28310260]

約数ペア:

[(1, 28310260), (2, 14155130), (4, 7077565), (5, 5662052), (10, 2831026), (11, 2573660), (20, 1415513), (22, 1286830), (44, 643415), (55, 514732), (110, 257366), (220, 128683)]