219881080

素因数分解:

$2^3\times 5^1\times {\mathrm{5497027}}^1$

素因数の和:5497038

約数の個数: 16

約数和(自身を含む): 494732520

約数和(自身を除く): 274851440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5497027, 10994054, 21988108, 27485135, 43976216, 54970270, 109940540, 219881080]

約数ペア:

[(1, 219881080), (2, 109940540), (4, 54970270), (5, 43976216), (8, 27485135), (10, 21988108), (20, 10994054), (40, 5497027)]