1986800

素因数分解:

$2^4\times 5^2\times {\mathrm{4967}}^1$

素因数の和:4985

約数の個数: 30

約数和(自身を含む): 4774248

約数和(自身を除く): 2787448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 4967, 9934, 19868, 24835, 39736, 49670, 79472, 99340, 124175, 198680, 248350, 397360, 496700, 993400, 1986800]

約数ペア:

[(1, 1986800), (2, 993400), (4, 496700), (5, 397360), (8, 248350), (10, 198680), (16, 124175), (20, 99340), (25, 79472), (40, 49670), (50, 39736), (80, 24835), (100, 19868), (200, 9934), (400, 4967)]