29980880

素因数分解:

$2^4\times 5^1\times {\mathrm{374761}}^1$

素因数の和:374774

約数の個数: 20

約数和(自身を含む): 69705732

約数和(自身を除く): 39724852

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 374761, 749522, 1499044, 1873805, 2998088, 3747610, 5996176, 7495220, 14990440, 29980880]

約数ペア:

[(1, 29980880), (2, 14990440), (4, 7495220), (5, 5996176), (8, 3747610), (10, 2998088), (16, 1873805), (20, 1499044), (40, 749522), (80, 374761)]