28227080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{100811}}^1$

素因数の和:100829

約数の個数: 32

約数和(自身を含む): 72584640

約数和(自身を除く): 44357560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 100811, 201622, 403244, 504055, 705677, 806488, 1008110, 1411354, 2016220, 2822708, 3528385, 4032440, 5645416, 7056770, 14113540, 28227080]

約数ペア:

[(1, 28227080), (2, 14113540), (4, 7056770), (5, 5645416), (7, 4032440), (8, 3528385), (10, 2822708), (14, 2016220), (20, 1411354), (28, 1008110), (35, 806488), (40, 705677), (56, 504055), (70, 403244), (140, 201622), (280, 100811)]