5678140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21839}}^1$

素因数の和:21861

約数の個数: 24

約数和(自身を含む): 12841920

約数和(自身を除く): 7163780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 21839, 43678, 87356, 109195, 218390, 283907, 436780, 567814, 1135628, 1419535, 2839070, 5678140]

約数ペア:

[(1, 5678140), (2, 2839070), (4, 1419535), (5, 1135628), (10, 567814), (13, 436780), (20, 283907), (26, 218390), (52, 109195), (65, 87356), (130, 43678), (260, 21839)]