200458520

素因数分解:

$2^3\times 5^1\times {\mathrm{179}}^1\times {\mathrm{27997}}^1$

素因数の和:28187

約数の個数: 32

約数和(自身を含む): 453567600

約数和(自身を除く): 253109080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 179, 358, 716, 895, 1432, 1790, 3580, 7160, 27997, 55994, 111988, 139985, 223976, 279970, 559940, 1119880, 5011463, 10022926, 20045852, 25057315, 40091704, 50114630, 100229260, 200458520]

約数ペア:

[(1, 200458520), (2, 100229260), (4, 50114630), (5, 40091704), (8, 25057315), (10, 20045852), (20, 10022926), (40, 5011463), (179, 1119880), (358, 559940), (716, 279970), (895, 223976), (1432, 139985), (1790, 111988), (3580, 55994), (7160, 27997)]