31968080

素因数分解:

$2^4\times 5^1\times {\mathrm{399601}}^1$

素因数の和:399614

約数の個数: 20

約数和(自身を含む): 74325972

約数和(自身を除く): 42357892

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 399601, 799202, 1598404, 1998005, 3196808, 3996010, 6393616, 7992020, 15984040, 31968080]

約数ペア:

[(1, 31968080), (2, 15984040), (4, 7992020), (5, 6393616), (8, 3996010), (10, 3196808), (16, 1998005), (20, 1598404), (40, 799202), (80, 399601)]