516351140

素因数分解:

$2^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{40277}}^1$

素因数の和:40927

約数の個数: 24

約数和(自身を含む): 1086055992

約数和(自身を除く): 569704852

約数列:

[1, 2, 4, 5, 10, 20, 641, 1282, 2564, 3205, 6410, 12820, 40277, 80554, 161108, 201385, 402770, 805540, 25817557, 51635114, 103270228, 129087785, 258175570, 516351140]

約数ペア:

[(1, 516351140), (2, 258175570), (4, 129087785), (5, 103270228), (10, 51635114), (20, 25817557), (641, 805540), (1282, 402770), (2564, 201385), (3205, 161108), (6410, 80554), (12820, 40277)]