85077680

素因数分解:

$2^4\times 5^1\times {\mathrm{1063471}}^1$

素因数の和:1063484

約数の個数: 20

約数和(自身を含む): 197805792

約数和(自身を除く): 112728112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1063471, 2126942, 4253884, 5317355, 8507768, 10634710, 17015536, 21269420, 42538840, 85077680]

約数ペア:

[(1, 85077680), (2, 42538840), (4, 21269420), (5, 17015536), (8, 10634710), (10, 8507768), (16, 5317355), (20, 4253884), (40, 2126942), (80, 1063471)]