131928080

素因数分解:

$2^4\times 5^1\times {\mathrm{1649101}}^1$

素因数の和:1649114

約数の個数: 20

約数和(自身を含む): 306732972

約数和(自身を除く): 174804892

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1649101, 3298202, 6596404, 8245505, 13192808, 16491010, 26385616, 32982020, 65964040, 131928080]

約数ペア:

[(1, 131928080), (2, 65964040), (4, 32982020), (5, 26385616), (8, 16491010), (10, 13192808), (16, 8245505), (20, 6596404), (40, 3298202), (80, 1649101)]