8964280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17239}}^1$

素因数の和:17263

約数の個数: 32

約数和(自身を含む): 21722400

約数和(自身を除く): 12758120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 17239, 34478, 68956, 86195, 137912, 172390, 224107, 344780, 448214, 689560, 896428, 1120535, 1792856, 2241070, 4482140, 8964280]

約数ペア:

[(1, 8964280), (2, 4482140), (4, 2241070), (5, 1792856), (8, 1120535), (10, 896428), (13, 689560), (20, 448214), (26, 344780), (40, 224107), (52, 172390), (65, 137912), (104, 86195), (130, 68956), (260, 34478), (520, 17239)]