89435120

素因数分解:

$2^4\times 5^1\times {\mathrm{1117939}}^1$

素因数の和:1117952

約数の個数: 20

約数和(自身を含む): 207936840

約数和(自身を除く): 118501720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1117939, 2235878, 4471756, 5589695, 8943512, 11179390, 17887024, 22358780, 44717560, 89435120]

約数ペア:

[(1, 89435120), (2, 44717560), (4, 22358780), (5, 17887024), (8, 11179390), (10, 8943512), (16, 5589695), (20, 4471756), (40, 2235878), (80, 1117939)]