85911880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{126341}}^1$

素因数の和:126369

約数の個数: 32

約数和(自身を含む): 204674040

約数和(自身を除く): 118762160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 126341, 252682, 505364, 631705, 1010728, 1263410, 2147797, 2526820, 4295594, 5053640, 8591188, 10738985, 17182376, 21477970, 42955940, 85911880]

約数ペア:

[(1, 85911880), (2, 42955940), (4, 21477970), (5, 17182376), (8, 10738985), (10, 8591188), (17, 5053640), (20, 4295594), (34, 2526820), (40, 2147797), (68, 1263410), (85, 1010728), (136, 631705), (170, 505364), (340, 252682), (680, 126341)]