16457840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29389}}^1$

素因数の和:29409

約数の個数: 40

約数和(自身を含む): 43732320

約数和(自身を除く): 27274480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 29389, 58778, 117556, 146945, 205723, 235112, 293890, 411446, 470224, 587780, 822892, 1028615, 1175560, 1645784, 2057230, 2351120, 3291568, 4114460, 8228920, 16457840]

約数ペア:

[(1, 16457840), (2, 8228920), (4, 4114460), (5, 3291568), (7, 2351120), (8, 2057230), (10, 1645784), (14, 1175560), (16, 1028615), (20, 822892), (28, 587780), (35, 470224), (40, 411446), (56, 293890), (70, 235112), (80, 205723), (112, 146945), (140, 117556), (280, 58778), (560, 29389)]