196994480

素因数分解:

$2^4\times 5^1\times {\mathrm{2462431}}^1$

素因数の和:2462444

約数の個数: 20

約数和(自身を含む): 458012352

約数和(自身を除く): 261017872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2462431, 4924862, 9849724, 12312155, 19699448, 24624310, 39398896, 49248620, 98497240, 196994480]

約数ペア:

[(1, 196994480), (2, 98497240), (4, 49248620), (5, 39398896), (8, 24624310), (10, 19699448), (16, 12312155), (20, 9849724), (40, 4924862), (80, 2462431)]