8420765

素因数分解:

$5^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1$

素因数の和:388

約数の個数: 16

約数和(自身を含む): 10378368

約数和(自身を除く): 1957603

約数列:

[1, 5, 83, 103, 197, 415, 515, 985, 8549, 16351, 20291, 42745, 81755, 101455, 1684153, 8420765]

約数ペア:

[(1, 8420765), (5, 1684153), (83, 101455), (103, 81755), (197, 42745), (415, 20291), (515, 16351), (985, 8549)]