85707880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{126041}}^1$

素因数の和:126069

約数の個数: 32

約数和(自身を含む): 204188040

約数和(自身を除く): 118480160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 126041, 252082, 504164, 630205, 1008328, 1260410, 2142697, 2520820, 4285394, 5041640, 8570788, 10713485, 17141576, 21426970, 42853940, 85707880]

約数ペア:

[(1, 85707880), (2, 42853940), (4, 21426970), (5, 17141576), (8, 10713485), (10, 8570788), (17, 5041640), (20, 4285394), (34, 2520820), (40, 2142697), (68, 1260410), (85, 1008328), (136, 630205), (170, 504164), (340, 252082), (680, 126041)]