80170135

素因数分解:

$5^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1\times {\mathrm{409}}^1$

素因数の和:810

約数の個数: 16

約数和(自身を含む): 97416000

約数和(自身を除く): 17245865

約数列:

[1, 5, 197, 199, 409, 985, 995, 2045, 39203, 80573, 81391, 196015, 402865, 406955, 16034027, 80170135]

約数ペア:

[(1, 80170135), (5, 16034027), (197, 406955), (199, 402865), (409, 196015), (985, 81391), (995, 80573), (2045, 39203)]