1320245620

素因数分解:

$2^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{290803}}^1$

素因数の和:291039

約数の個数: 24

約数和(自身を含む): 2784739104

約数和(自身を除く): 1464493484

約数列:

[1, 2, 4, 5, 10, 20, 227, 454, 908, 1135, 2270, 4540, 290803, 581606, 1163212, 1454015, 2908030, 5816060, 66012281, 132024562, 264049124, 330061405, 660122810, 1320245620]

約数ペア:

[(1, 1320245620), (2, 660122810), (4, 330061405), (5, 264049124), (10, 132024562), (20, 66012281), (227, 5816060), (454, 2908030), (908, 1454015), (1135, 1163212), (2270, 581606), (4540, 290803)]