15406940

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{2477}}^1$

素因数の和:2797

約数の個数: 24

約数和(自身を含む): 32471712

約数和(自身を除く): 17064772

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 1244, 1555, 2477, 3110, 4954, 6220, 9908, 12385, 24770, 49540, 770347, 1540694, 3081388, 3851735, 7703470, 15406940]

約数ペア:

[(1, 15406940), (2, 7703470), (4, 3851735), (5, 3081388), (10, 1540694), (20, 770347), (311, 49540), (622, 24770), (1244, 12385), (1555, 9908), (2477, 6220), (3110, 4954)]