15980405

素因数分解:

$5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{5501}}^1$

素因数の和:5596

約数の個数: 16

約数和(自身を含む): 22184064

約数和(自身を除く): 6203659

約数列:

[1, 5, 7, 35, 83, 415, 581, 2905, 5501, 27505, 38507, 192535, 456583, 2282915, 3196081, 15980405]

約数ペア:

[(1, 15980405), (5, 3196081), (7, 2282915), (35, 456583), (83, 192535), (415, 38507), (581, 27505), (2905, 5501)]