16557850

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^2\times {\mathrm{197}}^1$

素因数の和:291

約数の個数: 36

約数和(自身を含む): 31727322

約数和(自身を除く): 15169472

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 197, 205, 394, 410, 985, 1025, 1681, 1970, 2050, 3362, 4925, 8077, 8405, 9850, 16154, 16810, 40385, 42025, 80770, 84050, 201925, 331157, 403850, 662314, 1655785, 3311570, 8278925, 16557850]

約数ペア:

[(1, 16557850), (2, 8278925), (5, 3311570), (10, 1655785), (25, 662314), (41, 403850), (50, 331157), (82, 201925), (197, 84050), (205, 80770), (394, 42025), (410, 40385), (985, 16810), (1025, 16154), (1681, 9850), (1970, 8405), (2050, 8077), (3362, 4925)]