15847760

素因数分解:

$2^4\times 5^1\times {\mathrm{198097}}^1$

素因数の和:198110

約数の個数: 20

約数和(自身を含む): 36846228

約数和(自身を除く): 20998468

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 198097, 396194, 792388, 990485, 1584776, 1980970, 3169552, 3961940, 7923880, 15847760]

約数ペア:

[(1, 15847760), (2, 7923880), (4, 3961940), (5, 3169552), (8, 1980970), (10, 1584776), (16, 990485), (20, 792388), (40, 396194), (80, 198097)]