54187720

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{8311}}^1$

素因数の和:8485

約数の個数: 32

約数和(自身を含む): 122685120

約数和(自身を除く): 68497400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 8311, 16622, 33244, 41555, 66488, 83110, 166220, 332440, 1354693, 2709386, 5418772, 6773465, 10837544, 13546930, 27093860, 54187720]

約数ペア:

[(1, 54187720), (2, 27093860), (4, 13546930), (5, 10837544), (8, 6773465), (10, 5418772), (20, 2709386), (40, 1354693), (163, 332440), (326, 166220), (652, 83110), (815, 66488), (1304, 41555), (1630, 33244), (3260, 16622), (6520, 8311)]