80939905

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{23027}}^1$

素因数の和:23088

約数の個数: 16

約数和(自身を含む): 105007680

約数和(自身を除く): 24067775

約数列:

[1, 5, 19, 37, 95, 185, 703, 3515, 23027, 115135, 437513, 851999, 2187565, 4259995, 16187981, 80939905]

約数ペア:

[(1, 80939905), (5, 16187981), (19, 4259995), (37, 2187565), (95, 851999), (185, 437513), (703, 115135), (3515, 23027)]