320520065

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{64817}}^1$

素因数の和:64888

約数の個数: 16

約数和(自身を含む): 410686848

約数和(自身を除く): 90166783

約数列:

[1, 5, 23, 43, 115, 215, 989, 4945, 64817, 324085, 1490791, 2787131, 7453955, 13935655, 64104013, 320520065]

約数ペア:

[(1, 320520065), (5, 64104013), (23, 13935655), (43, 7453955), (115, 2787131), (215, 1490791), (989, 324085), (4945, 64817)]