858221680

素因数分解:

$2^4\times 5^1\times {\mathrm{1061}}^1\times {\mathrm{10111}}^1$

素因数の和:11185

約数の個数: 40

約数和(自身を含む): 1997443584

約数和(自身を除く): 1139221904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1061, 2122, 4244, 5305, 8488, 10111, 10610, 16976, 20222, 21220, 40444, 42440, 50555, 80888, 84880, 101110, 161776, 202220, 404440, 808880, 10727771, 21455542, 42911084, 53638855, 85822168, 107277710, 171644336, 214555420, 429110840, 858221680]

約数ペア:

[(1, 858221680), (2, 429110840), (4, 214555420), (5, 171644336), (8, 107277710), (10, 85822168), (16, 53638855), (20, 42911084), (40, 21455542), (80, 10727771), (1061, 808880), (2122, 404440), (4244, 202220), (5305, 161776), (8488, 101110), (10111, 84880), (10610, 80888), (16976, 50555), (20222, 42440), (21220, 40444)]