4081400

素因数分解:

$2^3\times 5^2\times {\mathrm{20407}}^1$

素因数の和:20423

約数の個数: 24

約数和(自身を含む): 9489720

約数和(自身を除く): 5408320

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 20407, 40814, 81628, 102035, 163256, 204070, 408140, 510175, 816280, 1020350, 2040700, 4081400]

約数ペア:

[(1, 4081400), (2, 2040700), (4, 1020350), (5, 816280), (8, 510175), (10, 408140), (20, 204070), (25, 163256), (40, 102035), (50, 81628), (100, 40814), (200, 20407)]