13408880

素因数分解:

$2^4\times 5^1\times {\mathrm{167611}}^1$

素因数の和:167624

約数の個数: 20

約数和(自身を含む): 31175832

約数和(自身を除く): 17766952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 167611, 335222, 670444, 838055, 1340888, 1676110, 2681776, 3352220, 6704440, 13408880]

約数ペア:

[(1, 13408880), (2, 6704440), (4, 3352220), (5, 2681776), (8, 1676110), (10, 1340888), (16, 838055), (20, 670444), (40, 335222), (80, 167611)]