40388215

素因数分解:

$5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{13903}}^1$

素因数の和:13998

約数の個数: 16

約数和(自身を含む): 56060928

約数和(自身を除く): 15672713

約数列:

[1, 5, 7, 35, 83, 415, 581, 2905, 13903, 69515, 97321, 486605, 1153949, 5769745, 8077643, 40388215]

約数ペア:

[(1, 40388215), (5, 8077643), (7, 5769745), (35, 1153949), (83, 486605), (415, 97321), (581, 69515), (2905, 13903)]