19838800

素因数分解:

$2^4\times 5^2\times {\mathrm{49597}}^1$

素因数の和:49615

約数の個数: 30

約数和(自身を含む): 47663678

約数和(自身を除く): 27824878

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 49597, 99194, 198388, 247985, 396776, 495970, 793552, 991940, 1239925, 1983880, 2479850, 3967760, 4959700, 9919400, 19838800]

約数ペア:

[(1, 19838800), (2, 9919400), (4, 4959700), (5, 3967760), (8, 2479850), (10, 1983880), (16, 1239925), (20, 991940), (25, 793552), (40, 495970), (50, 396776), (80, 247985), (100, 198388), (200, 99194), (400, 49597)]