28617880

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{13499}}^1$

素因数の和:13563

約数の個数: 32

約数和(自身を含む): 65610000

約数和(自身を除く): 36992120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 13499, 26998, 53996, 67495, 107992, 134990, 269980, 539960, 715447, 1430894, 2861788, 3577235, 5723576, 7154470, 14308940, 28617880]

約数ペア:

[(1, 28617880), (2, 14308940), (4, 7154470), (5, 5723576), (8, 3577235), (10, 2861788), (20, 1430894), (40, 715447), (53, 539960), (106, 269980), (212, 134990), (265, 107992), (424, 67495), (530, 53996), (1060, 26998), (2120, 13499)]