56156980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{255259}}^1$

素因数の和:255279

約数の個数: 24

約数和(自身を含む): 128651040

約数和(自身を除く): 72494060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 255259, 510518, 1021036, 1276295, 2552590, 2807849, 5105180, 5615698, 11231396, 14039245, 28078490, 56156980]

約数ペア:

[(1, 56156980), (2, 28078490), (4, 14039245), (5, 11231396), (10, 5615698), (11, 5105180), (20, 2807849), (22, 2552590), (44, 1276295), (55, 1021036), (110, 510518), (220, 255259)]