22872920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{81689}}^1$

素因数の和:81707

約数の個数: 32

約数和(自身を含む): 58816800

約数和(自身を除く): 35943880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 81689, 163378, 326756, 408445, 571823, 653512, 816890, 1143646, 1633780, 2287292, 2859115, 3267560, 4574584, 5718230, 11436460, 22872920]

約数ペア:

[(1, 22872920), (2, 11436460), (4, 5718230), (5, 4574584), (7, 3267560), (8, 2859115), (10, 2287292), (14, 1633780), (20, 1143646), (28, 816890), (35, 653512), (40, 571823), (56, 408445), (70, 326756), (140, 163378), (280, 81689)]