109893040

素因数分解:

$2^4\times 5^1\times {\mathrm{641}}^1\times {\mathrm{2143}}^1$

素因数の和:2797

約数の個数: 40

約数和(自身を含む): 256019328

約数和(自身を除く): 146126288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 641, 1282, 2143, 2564, 3205, 4286, 5128, 6410, 8572, 10256, 10715, 12820, 17144, 21430, 25640, 34288, 42860, 51280, 85720, 171440, 1373663, 2747326, 5494652, 6868315, 10989304, 13736630, 21978608, 27473260, 54946520, 109893040]

約数ペア:

[(1, 109893040), (2, 54946520), (4, 27473260), (5, 21978608), (8, 13736630), (10, 10989304), (16, 6868315), (20, 5494652), (40, 2747326), (80, 1373663), (641, 171440), (1282, 85720), (2143, 51280), (2564, 42860), (3205, 34288), (4286, 25640), (5128, 21430), (6410, 17144), (8572, 12820), (10256, 10715)]