200207720

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{27653}}^1$

素因数の和:27845

約数の個数: 32

約数和(自身を含む): 452972520

約数和(自身を除く): 252764800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 724, 905, 1448, 1810, 3620, 7240, 27653, 55306, 110612, 138265, 221224, 276530, 553060, 1106120, 5005193, 10010386, 20020772, 25025965, 40041544, 50051930, 100103860, 200207720]

約数ペア:

[(1, 200207720), (2, 100103860), (4, 50051930), (5, 40041544), (8, 25025965), (10, 20020772), (20, 10010386), (40, 5005193), (181, 1106120), (362, 553060), (724, 276530), (905, 221224), (1448, 138265), (1810, 110612), (3620, 55306), (7240, 27653)]