54287020

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{27983}}^1$

素因数の和:28089

約数の個数: 24

約数和(自身を含む): 115182144

約数和(自身を除く): 60895124

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 27983, 55966, 111932, 139915, 279830, 559660, 2714351, 5428702, 10857404, 13571755, 27143510, 54287020]

約数ペア:

[(1, 54287020), (2, 27143510), (4, 13571755), (5, 10857404), (10, 5428702), (20, 2714351), (97, 559660), (194, 279830), (388, 139915), (485, 111932), (970, 55966), (1940, 27983)]