89406320

素因数分解:

$2^4\times 5^1\times {\mathrm{1117579}}^1$

素因数の和:1117592

約数の個数: 20

約数和(自身を含む): 207869880

約数和(自身を除く): 118463560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1117579, 2235158, 4470316, 5587895, 8940632, 11175790, 17881264, 22351580, 44703160, 89406320]

約数ペア:

[(1, 89406320), (2, 44703160), (4, 22351580), (5, 17881264), (8, 11175790), (10, 8940632), (16, 5587895), (20, 4470316), (40, 2235158), (80, 1117579)]