16954480

素因数分解:

$2^4\times 5^1\times {\mathrm{211931}}^1$

素因数の和:211944

約数の個数: 20

約数和(自身を含む): 39419352

約数和(自身を除く): 22464872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 211931, 423862, 847724, 1059655, 1695448, 2119310, 3390896, 4238620, 8477240, 16954480]

約数ペア:

[(1, 16954480), (2, 8477240), (4, 4238620), (5, 3390896), (8, 2119310), (10, 1695448), (16, 1059655), (20, 847724), (40, 423862), (80, 211931)]