427760

素因数分解:

$2^4\times 5^1\times {\mathrm{5347}}^1$

素因数の和:5360

約数の個数: 20

約数和(自身を含む): 994728

約数和(自身を除く): 566968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 5347, 10694, 21388, 26735, 42776, 53470, 85552, 106940, 213880, 427760]

約数ペア:

[(1, 427760), (2, 213880), (4, 106940), (5, 85552), (8, 53470), (10, 42776), (16, 26735), (20, 21388), (40, 10694), (80, 5347)]