28315160

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{5167}}^1$

素因数の和:5315

約数の個数: 32

約数和(自身を含む): 64186560

約数和(自身を除く): 35871400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5167, 5480, 10334, 20668, 25835, 41336, 51670, 103340, 206680, 707879, 1415758, 2831516, 3539395, 5663032, 7078790, 14157580, 28315160]

約数ペア:

[(1, 28315160), (2, 14157580), (4, 7078790), (5, 5663032), (8, 3539395), (10, 2831516), (20, 1415758), (40, 707879), (137, 206680), (274, 103340), (548, 51670), (685, 41336), (1096, 25835), (1370, 20668), (2740, 10334), (5167, 5480)]