79824100

素因数分解:

$2^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{8969}}^1$

素因数の和:9072

約数の個数: 36

約数和(自身を含む): 175184100

約数和(自身を除く): 95360000

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 89, 100, 178, 356, 445, 890, 1780, 2225, 4450, 8900, 8969, 17938, 35876, 44845, 89690, 179380, 224225, 448450, 798241, 896900, 1596482, 3192964, 3991205, 7982410, 15964820, 19956025, 39912050, 79824100]

約数ペア:

[(1, 79824100), (2, 39912050), (4, 19956025), (5, 15964820), (10, 7982410), (20, 3991205), (25, 3192964), (50, 1596482), (89, 896900), (100, 798241), (178, 448450), (356, 224225), (445, 179380), (890, 89690), (1780, 44845), (2225, 35876), (4450, 17938), (8900, 8969)]