85435880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{125641}}^1$

素因数の和:125669

約数の個数: 32

約数和(自身を含む): 203540040

約数和(自身を除く): 118104160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 125641, 251282, 502564, 628205, 1005128, 1256410, 2135897, 2512820, 4271794, 5025640, 8543588, 10679485, 17087176, 21358970, 42717940, 85435880]

約数ペア:

[(1, 85435880), (2, 42717940), (4, 21358970), (5, 17087176), (8, 10679485), (10, 8543588), (17, 5025640), (20, 4271794), (34, 2512820), (40, 2135897), (68, 1256410), (85, 1005128), (136, 628205), (170, 502564), (340, 251282), (680, 125641)]