85401880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{125591}}^1$

素因数の和:125619

約数の個数: 32

約数和(自身を含む): 203459040

約数和(自身を除く): 118057160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 125591, 251182, 502364, 627955, 1004728, 1255910, 2135047, 2511820, 4270094, 5023640, 8540188, 10675235, 17080376, 21350470, 42700940, 85401880]

約数ペア:

[(1, 85401880), (2, 42700940), (4, 21350470), (5, 17080376), (8, 10675235), (10, 8540188), (17, 5023640), (20, 4270094), (34, 2511820), (40, 2135047), (68, 1255910), (85, 1004728), (136, 627955), (170, 502364), (340, 251182), (680, 125591)]