12843400

素因数分解:

$2^3\times 5^2\times {\mathrm{64217}}^1$

素因数の和:64233

約数の個数: 24

約数和(自身を含む): 29861370

約数和(自身を除く): 17017970

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 64217, 128434, 256868, 321085, 513736, 642170, 1284340, 1605425, 2568680, 3210850, 6421700, 12843400]

約数ペア:

[(1, 12843400), (2, 6421700), (4, 3210850), (5, 2568680), (8, 1605425), (10, 1284340), (20, 642170), (25, 513736), (40, 321085), (50, 256868), (100, 128434), (200, 64217)]