2124820

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{811}}^1$

素因数の和:951

約数の個数: 24

約数和(自身を含む): 4501728

約数和(自身を除く): 2376908

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 811, 1310, 1622, 2620, 3244, 4055, 8110, 16220, 106241, 212482, 424964, 531205, 1062410, 2124820]

約数ペア:

[(1, 2124820), (2, 1062410), (4, 531205), (5, 424964), (10, 212482), (20, 106241), (131, 16220), (262, 8110), (524, 4055), (655, 3244), (811, 2620), (1310, 1622)]