8538140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{32839}}^1$

素因数の和:32861

約数の個数: 24

約数和(自身を含む): 19309920

約数和(自身を除く): 10771780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 32839, 65678, 131356, 164195, 328390, 426907, 656780, 853814, 1707628, 2134535, 4269070, 8538140]

約数ペア:

[(1, 8538140), (2, 4269070), (4, 2134535), (5, 1707628), (10, 853814), (13, 656780), (20, 426907), (26, 328390), (52, 164195), (65, 131356), (130, 65678), (260, 32839)]