28004540

素因数分解:

$2^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{4561}}^1$

素因数の和:4877

約数の個数: 24

約数和(自身を含む): 59014032

約数和(自身を除く): 31009492

約数列:

[1, 2, 4, 5, 10, 20, 307, 614, 1228, 1535, 3070, 4561, 6140, 9122, 18244, 22805, 45610, 91220, 1400227, 2800454, 5600908, 7001135, 14002270, 28004540]

約数ペア:

[(1, 28004540), (2, 14002270), (4, 7001135), (5, 5600908), (10, 2800454), (20, 1400227), (307, 91220), (614, 45610), (1228, 22805), (1535, 18244), (3070, 9122), (4561, 6140)]