112868020

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{63409}}^1$

素因数の和:63507

約数の個数: 24

約数和(自身を含む): 239689800

約数和(自身を除く): 126821780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 63409, 126818, 253636, 317045, 634090, 1268180, 5643401, 11286802, 22573604, 28217005, 56434010, 112868020]

約数ペア:

[(1, 112868020), (2, 56434010), (4, 28217005), (5, 22573604), (10, 11286802), (20, 5643401), (89, 1268180), (178, 634090), (356, 317045), (445, 253636), (890, 126818), (1780, 63409)]