56528920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{201889}}^1$

素因数の和:201907

約数の個数: 32

約数和(自身を含む): 145360800

約数和(自身を除く): 88831880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 201889, 403778, 807556, 1009445, 1413223, 1615112, 2018890, 2826446, 4037780, 5652892, 7066115, 8075560, 11305784, 14132230, 28264460, 56528920]

約数ペア:

[(1, 56528920), (2, 28264460), (4, 14132230), (5, 11305784), (7, 8075560), (8, 7066115), (10, 5652892), (14, 4037780), (20, 2826446), (28, 2018890), (35, 1615112), (40, 1413223), (56, 1009445), (70, 807556), (140, 403778), (280, 201889)]