66895760

素因数分解:

$2^4\times 5^1\times {\mathrm{719}}^1\times {\mathrm{1163}}^1$

素因数の和:1895

約数の個数: 40

約数和(自身を含む): 155882880

約数和(自身を除く): 88987120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 719, 1163, 1438, 2326, 2876, 3595, 4652, 5752, 5815, 7190, 9304, 11504, 11630, 14380, 18608, 23260, 28760, 46520, 57520, 93040, 836197, 1672394, 3344788, 4180985, 6689576, 8361970, 13379152, 16723940, 33447880, 66895760]

約数ペア:

[(1, 66895760), (2, 33447880), (4, 16723940), (5, 13379152), (8, 8361970), (10, 6689576), (16, 4180985), (20, 3344788), (40, 1672394), (80, 836197), (719, 93040), (1163, 57520), (1438, 46520), (2326, 28760), (2876, 23260), (3595, 18608), (4652, 14380), (5752, 11630), (5815, 11504), (7190, 9304)]