20111030

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{25457}}^1$

素因数の和:25543

約数の個数: 16

約数和(自身を含む): 36659520

約数和(自身を除く): 16548490

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 25457, 50914, 127285, 254570, 2011103, 4022206, 10055515, 20111030]

約数ペア:

[(1, 20111030), (2, 10055515), (5, 4022206), (10, 2011103), (79, 254570), (158, 127285), (395, 50914), (790, 25457)]