80989816

素因数分解:

$2^3\times {\mathrm{199}}^1\times {\mathrm{50873}}^1$

素因数の和:51078

約数の個数: 16

約数和(自身を含む): 152622000

約数和(自身を除く): 71632184

約数列:

[1, 2, 4, 8, 199, 398, 796, 1592, 50873, 101746, 203492, 406984, 10123727, 20247454, 40494908, 80989816]

約数ペア:

[(1, 80989816), (2, 40494908), (4, 20247454), (8, 10123727), (199, 406984), (398, 203492), (796, 101746), (1592, 50873)]