20150530

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{1109}}^1$

素因数の和:1218

約数の個数: 32

約数和(自身を含む): 38361600

約数和(自身を除く): 18211070

約数列:

[1, 2, 5, 10, 23, 46, 79, 115, 158, 230, 395, 790, 1109, 1817, 2218, 3634, 5545, 9085, 11090, 18170, 25507, 51014, 87611, 127535, 175222, 255070, 438055, 876110, 2015053, 4030106, 10075265, 20150530]

約数ペア:

[(1, 20150530), (2, 10075265), (5, 4030106), (10, 2015053), (23, 876110), (46, 438055), (79, 255070), (115, 175222), (158, 127535), (230, 87611), (395, 51014), (790, 25507), (1109, 18170), (1817, 11090), (2218, 9085), (3634, 5545)]