89001040

素因数分解:

$2^4\times 5^1\times {\mathrm{1112513}}^1$

素因数の和:1112526

約数の個数: 20

約数和(自身を含む): 206927604

約数和(自身を除く): 117926564

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1112513, 2225026, 4450052, 5562565, 8900104, 11125130, 17800208, 22250260, 44500520, 89001040]

約数ペア:

[(1, 89001040), (2, 44500520), (4, 22250260), (5, 17800208), (8, 11125130), (10, 8900104), (16, 5562565), (20, 4450052), (40, 2225026), (80, 1112513)]