85404280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{164239}}^1$

素因数の和:164263

約数の個数: 32

約数和(自身を含む): 206942400

約数和(自身を除く): 121538120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 164239, 328478, 656956, 821195, 1313912, 1642390, 2135107, 3284780, 4270214, 6569560, 8540428, 10675535, 17080856, 21351070, 42702140, 85404280]

約数ペア:

[(1, 85404280), (2, 42702140), (4, 21351070), (5, 17080856), (8, 10675535), (10, 8540428), (13, 6569560), (20, 4270214), (26, 3284780), (40, 2135107), (52, 1642390), (65, 1313912), (104, 821195), (130, 656956), (260, 328478), (520, 164239)]