51694480

素因数分解:

$2^4\times 5^1\times {\mathrm{646181}}^1$

素因数の和:646194

約数の個数: 20

約数和(自身を含む): 120189852

約数和(自身を除く): 68495372

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 646181, 1292362, 2584724, 3230905, 5169448, 6461810, 10338896, 12923620, 25847240, 51694480]

約数ペア:

[(1, 51694480), (2, 25847240), (4, 12923620), (5, 10338896), (8, 6461810), (10, 5169448), (16, 3230905), (20, 2584724), (40, 1292362), (80, 646181)]