4638140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17839}}^1$

素因数の和:17861

約数の個数: 24

約数和(自身を含む): 10489920

約数和(自身を除く): 5851780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 17839, 35678, 71356, 89195, 178390, 231907, 356780, 463814, 927628, 1159535, 2319070, 4638140]

約数ペア:

[(1, 4638140), (2, 2319070), (4, 1159535), (5, 927628), (10, 463814), (13, 356780), (20, 231907), (26, 178390), (52, 89195), (65, 71356), (130, 35678), (260, 17839)]