49620880

素因数分解:

$2^4\times 5^1\times {\mathrm{620261}}^1$

素因数の和:620274

約数の個数: 20

約数和(自身を含む): 115368732

約数和(自身を除く): 65747852

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 620261, 1240522, 2481044, 3101305, 4962088, 6202610, 9924176, 12405220, 24810440, 49620880]

約数ペア:

[(1, 49620880), (2, 24810440), (4, 12405220), (5, 9924176), (8, 6202610), (10, 4962088), (16, 3101305), (20, 2481044), (40, 1240522), (80, 620261)]