28170340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{128047}}^1$

素因数の和:128067

約数の個数: 24

約数和(自身を含む): 64536192

約数和(自身を除く): 36365852

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 128047, 256094, 512188, 640235, 1280470, 1408517, 2560940, 2817034, 5634068, 7042585, 14085170, 28170340]

約数ペア:

[(1, 28170340), (2, 14085170), (4, 7042585), (5, 5634068), (10, 2817034), (11, 2560940), (20, 1408517), (22, 1280470), (44, 640235), (55, 512188), (110, 256094), (220, 128047)]