4057840

素因数分解:

$2^4\times 5^1\times {\mathrm{50723}}^1$

素因数の和:50736

約数の個数: 20

約数和(自身を含む): 9434664

約数和(自身を除く): 5376824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 50723, 101446, 202892, 253615, 405784, 507230, 811568, 1014460, 2028920, 4057840]

約数ペア:

[(1, 4057840), (2, 2028920), (4, 1014460), (5, 811568), (8, 507230), (10, 405784), (16, 253615), (20, 202892), (40, 101446), (80, 50723)]