42398800

素因数分解:

$2^4\times 5^2\times {\mathrm{105997}}^1$

素因数の和:106015

約数の個数: 30

約数和(自身を含む): 101864078

約数和(自身を除く): 59465278

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 105997, 211994, 423988, 529985, 847976, 1059970, 1695952, 2119940, 2649925, 4239880, 5299850, 8479760, 10599700, 21199400, 42398800]

約数ペア:

[(1, 42398800), (2, 21199400), (4, 10599700), (5, 8479760), (8, 5299850), (10, 4239880), (16, 2649925), (20, 2119940), (25, 1695952), (40, 1059970), (50, 847976), (80, 529985), (100, 423988), (200, 211994), (400, 105997)]