99555760

素因数分解:

$2^4\times 5^1\times {\mathrm{1244447}}^1$

素因数の和:1244460

約数の個数: 20

約数和(自身を含む): 231467328

約数和(自身を除く): 131911568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1244447, 2488894, 4977788, 6222235, 9955576, 12444470, 19911152, 24888940, 49777880, 99555760]

約数ペア:

[(1, 99555760), (2, 49777880), (4, 24888940), (5, 19911152), (8, 12444470), (10, 9955576), (16, 6222235), (20, 4977788), (40, 2488894), (80, 1244447)]